WO2022007893A1 - 一种拍照方法及电子设备 - Google Patents
一种拍照方法及电子设备 Download PDFInfo
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- WO2022007893A1 WO2022007893A1 PCT/CN2021/105232 CN2021105232W WO2022007893A1 WO 2022007893 A1 WO2022007893 A1 WO 2022007893A1 CN 2021105232 W CN2021105232 W CN 2021105232W WO 2022007893 A1 WO2022007893 A1 WO 2022007893A1
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- photographing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
- H04N7/0122—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal the input and the output signals having different aspect ratios
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/95—Computational photography systems, e.g. light-field imaging systems
- H04N23/951—Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/4223—Cameras
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/617—Upgrading or updating of programs or applications for camera control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
- H04N23/661—Transmitting camera control signals through networks, e.g. control via the Internet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Definitions
- the present application relates to the field of terminal technologies, and in particular, to a photographing method and an electronic device.
- a smart screen includes a device body with a screen and a camera. During the process of taking pictures, video recordings or video calls, the camera captures the images and transmits them to the main body of the device, and presents them to the user through the screen. Since the single-chip solution adopted by the mobile phone cannot meet the needs of high-definition decoding and high-quality image processing of the smart screen, the smart screen adopts a dual-chip architecture. In addition to the main chip, a separate video processing chip for image processing is also set. Usually, the main chip is installed in the main body of the device, and the video processing chip is installed in the camera. Data interaction is completed between the video processing chip and the main chip through a universal serial bus (USB) channel.
- USB universal serial bus
- USB video class USB video class, UVC
- the video processing chip obtains the images collected by the camera sensor to form a video stream, and transmits the video stream to the main chip through the UVC channel.
- the main chip renders the video stream, it can be A photo preview interface is displayed on the display screen; when taking a photo, a frame of image is directly captured from the video stream and saved as a photo; the resolution of the video stream is the same as that of the photo.
- the resolution of the video stream is generally 1920x1080, and the maximum resolution of the saved photos is 1920x1080 (2 million pixels), which cannot meet the needs of users for ultra-clear photos.
- the resolution of the video stream transmitted by the UVC channel needs to be at least 5632x4224, which will increase system memory, power consumption, delay, etc., thereby increasing hardware costs or reducing user experience.
- the embodiments of the present application provide a photographing method and an electronic device.
- the video stream and the photographing stream are transmitted separately in different USB channels, which can fully ensure the real-time and fluency of the video stream when obtaining ultra-clear resolution photos.
- an embodiment of the present application provides a photographing method, which is applied to an electronic device.
- the electronic device includes a device body and a camera connected to the device body, and the device body includes a display screen; the method includes: the camera collects video images, and according to the video The image acquires a video stream with a first resolution; the camera transmits the video stream to the device main body through the first transmission channel; the device main body displays the video stream through the display screen; in response to the device main body receiving the photographing instruction, the camera acquires the first video stream according to the collected video image.
- Two-resolution photo stream the camera transmits the photo stream to the device body through the second transmission channel; the device body obtains the photo according to the photo stream; wherein, the second resolution is greater than the first resolution; the second transmission channel is different from the first transmission channel .
- the device body may include a main processor and a display screen; the camera may include a sensor and a video processor.
- the method may include: a sensor collects a video image, and transmits the video image to a video processor; the video processor acquires a video stream with a first resolution according to the video image; and transmits the video through the first transmission channel stream to the main processor; the main processor displays the video stream through the display screen; in response to the main processor receiving the photographing instruction, the video processor obtains the photographing stream with the second resolution according to the video image collected by the camera sensor;
- the transmission channel transmits the photo stream to the main processor; the main processor obtains the photo according to the photo stream.
- the video stream and the photo stream are transmitted through different transmission channels, and the resolution of the photo is not limited by the resolution of the preview video.
- the resolution of the photo is not limited by the resolution of the preview video.
- the camera captures a video image, and acquires a video stream with a first resolution according to the video image, including: the camera captures the first video image at a second resolution; The image is processed to obtain a video stream with a first resolution; the camera obtaining a photographing stream with a second resolution according to the collected video image includes: the camera obtaining a photographing stream with the second resolution according to the first video image.
- the method may include: a camera sensor captures a first video image at a second resolution and transmits it to a video processor; the video processor processes the first video image to obtain a video stream with the first resolution ; The video processor also acquires a camera stream with a second resolution according to the first video image.
- a camera captures video images with high resolution, and obtains a low-resolution video stream and a high-resolution camera stream according to the high-resolution video images.
- the camera capturing a video image, and acquiring a video stream with a first resolution according to the video image includes: capturing a second video image at the first resolution by the camera, and according to the second video image
- the video image acquires a video stream with the first resolution
- the camera acquiring the photographing stream with the second resolution according to the collected video image includes: in response to the device body receiving the photographing instruction, the camera uses the first
- a first video image is collected at a second resolution
- a camera stream with a second resolution is obtained according to the first video image.
- the method may include: a camera sensor captures a second video image at a first resolution, and transmits the second video image to a video processor; the video processor acquires a video image with the first resolution according to the second video image video stream; in response to the main processor receiving the photographing instruction, the camera sensor captures the first video image at the second resolution, and transmits the first video image to the video processor; the video processor acquires a second video image according to the first video image Resolution of the camera stream.
- the camera when taking pictures and previewing, the camera collects video images at low resolution, and obtains a low-resolution video stream according to the video images; when taking pictures, the camera collects video images at high resolution, and obtains high-resolution images according to the video images. photo stream.
- acquiring the camera stream with the second resolution according to the first video image includes: the camera intercepts one or more frames of the first video image to form the camera stream. In a specific implementation, this step may be completed by the video processor of the camera.
- the camera transmits the video stream to the device body at the first transmission rate through the first transmission channel; the camera transmits the photo stream to the device body at the second transmission rate through the second transmission channel; Wherein, the second transmission rate is smaller than the first transmission rate.
- this step may be completed by the video processor of the camera.
- the method further includes: the camera acquires an artificial intelligence AI stream with a third resolution according to the collected video images; wherein the third resolution is smaller than the first resolution; the camera Perform image enhancement processing on the captured video images according to the AI stream.
- a video image can be collected by a camera sensor; the video processor obtains an AI stream of a third resolution according to the video image collected by the camera sensor, and performs image enhancement processing on the video image collected by the camera sensor according to the AI stream.
- AI streams can be transmitted at a higher transmission rate, quickly perform AI calculations, perform image enhancement processing on video images, and improve the photo preview interface and the image effect of photos.
- the camera and the device body are connected through a universal serial bus (USB).
- USB universal serial bus
- the video processor of the camera and the main processor of the device body are connected through a universal serial bus (USB).
- an embodiment of the present application provides a photographing method, which is applied to an electronic device, where the electronic device includes a display screen, a camera sensor, a video processor, and a main processor; the method includes: the camera sensor collects video images, and transmits the video images.
- the video processor obtains a video stream with a first resolution according to the video image, and transmits the video stream to the main processor through the first transmission channel; the main processor displays the video stream through the display screen; in response to the main processor After receiving the photographing instruction, the video processor obtains a photographing stream with a second resolution according to the video image collected by the camera sensor; and transmits the photographing stream to the main processor through the second transmission channel; the main processor obtains the photograph according to the photographing stream.
- the second resolution is greater than the first resolution.
- the video stream and the photo stream are transmitted through different transmission channels, and the resolution of the photo is not limited by the resolution of the preview video.
- the resolution of the photo is not limited by the resolution of the preview video.
- the camera sensor captures the first video image at the second resolution and transmits it to the video processor; the video processor processes the first video image to obtain a first video image with the first resolution. and the video processor also obtains a camera stream with a second resolution according to the first video image.
- the camera sensor captures video images at high resolution.
- the video processor obtains a low-resolution video stream and a high-resolution camera stream according to the high-resolution video image.
- the camera sensor captures the second video image at the first resolution; the video processor obtains the video stream with the first resolution according to the second video image; in response to the main processor After receiving the photographing instruction, the camera sensor collects the first video image at the second resolution, and transmits the first video image to the video processor; the video processor obtains the photographing stream with the second resolution according to the first video image.
- the camera sensor when taking pictures and previewing, collects video images with low resolution, and the video processor obtains low-resolution video streams according to the video images; when taking pictures, the camera sensor collects video images with high resolution, and the video processor Video images are captured in high-resolution camera streams.
- the video processor intercepts one or more frames of the first video image to form a photographing stream.
- the video processor transmits the video stream to the main processor at the first transmission rate through the first transmission channel; the video processor transmits the photograph at the second transmission rate through the second transmission channel to the host processor; wherein the second transfer rate is less than the first transfer rate. In this way, the smoothness of the preview interface can be guaranteed.
- the video processor obtains an AI stream of a third resolution according to the video image collected by the camera sensor; wherein the third resolution is smaller than the first resolution; the video processor obtains an AI stream according to the AI The stream performs image enhancement processing on the captured video images.
- AI streams can be transmitted at a higher transmission rate, quickly perform AI calculations, perform image enhancement processing on video images, and improve the photo preview interface and the image effect of photos.
- an embodiment of the present application provides a photographing method, the method may include: the electronic device displays a photographing preview interface of a first resolution; in response to receiving a photographing instruction from a user, the electronic device obtains a photograph of the second resolution; Wherein, the second resolution is greater than the first resolution.
- the resolution of the photo obtained by the electronic device is greater than the resolution of the preview video, and the low resolution of the preview video can be maintained while obtaining the high-definition photo, which can ensure the smoothness of the preview video.
- the electronic device captures the first video image at the second resolution; compresses the first video image to the first resolution to obtain a video stream; the electronic device displays on the camera preview interface video stream.
- the electronic device acquires a photo stream according to the first video image; the electronic device acquires a photo according to the photo stream. In this way, the video stream having the first resolution and the photographing stream having the second resolution are obtained.
- the electronic device captures the second video image at the first resolution; the electronic device acquires the video stream according to the second video image; the electronic device displays the video stream on the camera preview interface.
- the electronic device acquires the first video image at the second resolution; the electronic device acquires the photographing stream according to the first video image; and the electronic device acquires the photograph according to the photographing stream.
- the video stream having the first resolution and the photographing stream having the second resolution are obtained.
- the electronic device captures one or more frames of the first video image to form a photographing stream.
- the video stream and the photographing stream are transmitted through different transmission channels.
- the video stream and the photo stream can be transmitted with different resolutions and different transmission rates.
- the transmission rate of the video stream is greater than the transmission rate of the photographing stream. This ensures the smoothness of the video stream.
- the method further includes: the electronic device obtains an artificial intelligence AI stream of a third resolution according to the collected video image; wherein the third resolution is smaller than the first resolution; the electronic device The device performs image enhancement processing on the captured video images according to the AI stream.
- AI streams can be transmitted at a higher transmission rate, quickly perform AI calculations, perform image enhancement processing on video images, and improve the photo preview interface and the image effect of photos.
- an embodiment of the present application provides an electronic device, the electronic device includes: a device body and a camera connected to the device body, and the device body includes a display screen.
- the camera is used to collect video images and obtain a video stream with a first resolution according to the video images; it is also used to transmit the video stream to the main body of the device through the first transmission channel; the main body of the device is used to display the video stream through the display screen is also used to receive a photographing instruction; a camera is also used to obtain a photographing stream with a second resolution according to the video image collected by the camera in response to the device main body receiving the photographing instruction; wherein the second resolution is greater than the first resolution;
- the camera is also used to transmit the photo stream to the device body through the second transmission channel; wherein, the second transmission channel is different from the first transmission channel; the device body is also used to obtain photos according to the photo stream.
- the camera is specifically used to collect the first video image with the second resolution; specifically, it is also used to process the first video image to obtain a video with the first resolution stream; specifically, it is further used to obtain a photographing stream with a second resolution according to the first video image.
- the camera is specifically used to collect the second video image at the first resolution, and obtain a video stream with the first resolution according to the second video image;
- a first video image is collected at a second resolution, and a photographing stream with a second resolution is obtained according to the first video image.
- acquiring the camera stream with the second resolution according to the first video image specifically includes: the camera intercepts one or more frames of the first video image to form the camera stream.
- the camera is specifically used to transmit the video stream to the device body at the first transmission rate through the first transmission channel; the camera is also specifically used to transmit the video stream at the second transmission rate through the second transmission channel
- the photographing stream is transmitted to the main body of the device; wherein, the second transmission rate is smaller than the first transmission rate.
- the camera is also used to obtain an artificial intelligence AI stream with a third resolution according to the collected video image; it is also used to perform image enhancement on the collected video image according to the AI stream processing; wherein the third resolution is smaller than the first resolution.
- the camera and the device body are connected through a universal serial bus (USB).
- USB universal serial bus
- an embodiment of the present application provides an electronic device, where the electronic device includes: a display screen, a camera sensor, a video processor, and a main processor.
- the camera sensor is used to collect video images; the camera sensor is also used to transmit the video images to a video processor; the video processor is used to obtain a video stream with a first resolution according to the video images;
- a transmission channel transmits the video stream to the main processor; the display screen is used to display the video stream; the main processor is also used to receive the photographing instruction; the video processor is used to respond to the main processor receiving the photographing instruction, according to the camera sensor
- the captured video image acquires a camera stream with a second resolution; wherein the second resolution is greater than the first resolution; the video processor is further configured to transmit the camera stream to the main processor through the second transmission channel; the main processor, Also used to get photos based on the camera stream.
- the second transmission channel is different from the first transmission channel.
- the camera sensor is specifically used to collect the first video image at the second resolution;
- the video processor is specifically used to process the first video image, A video stream with a resolution;
- the video processor is further configured to acquire a camera stream with a second resolution according to the first video image.
- the camera sensor is specifically used to collect the second video image with the first resolution
- the video processor is specifically used to acquire the video image with the first resolution according to the second video image.
- the video processor acquiring the camera stream with the second resolution according to the first video image specifically includes: the video processor intercepts one or more frames of the first video image to form images photo stream.
- the video processor is specifically used to transmit the video stream to the main processor at the first transmission rate through the first transmission channel; the video processor is also specifically used to transmit the video stream through the second transmission channel
- the camera stream is transmitted to the main processor at a second transmission rate; wherein the second transmission rate is smaller than the first transmission rate.
- the video processor is further configured to obtain an artificial intelligence AI stream of a third resolution according to the video image collected by the camera sensor; wherein the third resolution is smaller than the first resolution
- the video processor is also used to perform image enhancement processing on the video images collected by the camera sensor according to the AI stream.
- the video processor and the main processor are connected through a universal serial bus (USB).
- USB universal serial bus
- an embodiment of the present application provides an electronic device, which can implement the photographing method described in the first aspect, the second aspect, or the third aspect and the possible design methods thereof.
- the above method can be implemented by executing corresponding software through hardware.
- the electronic device may include a processor and memory.
- the processor is configured to support the electronic device to perform the corresponding function in the method of the first aspect, the second aspect or the third aspect.
- the memory is for coupling with the processor, which holds the necessary program instructions and data for the electronic device.
- an embodiment of the present application provides a computer-readable storage medium, where the computer-readable storage medium includes computer instructions, and when the computer instructions are executed on an electronic device, the electronic device is made to perform the above-mentioned first aspect, the first The photographing method described in the second aspect or the third aspect and its possible design methods.
- an embodiment of the present application provides a computer program product, which, when the computer program product runs on a computer, enables the computer to execute the first aspect, the second aspect, or the third aspect and possible designs thereof method of taking pictures.
- the electronic device of the fourth aspect, the electronic device of the fifth aspect, the electronic device of the sixth aspect, the computer-readable storage medium of the seventh aspect, and the computer program product of the eighth aspect please refer to the technical effect brought by the above-mentioned corresponding method, which will not be repeated here.
- Fig. 1 is a kind of schematic diagram of photographing method in the prior art
- FIG. 2 is a schematic composition diagram of a hardware structure of an electronic device provided by an embodiment of the present application.
- FIG. 3 is a schematic diagram 1 of a photographing method provided by an embodiment of the present application.
- FIG. 4 is a schematic diagram 2 of a photographing method provided by an embodiment of the present application.
- 5A is a flowchart 1 of a photographing method provided by an embodiment of the present application.
- 5B is a second flowchart of a photographing method provided by an embodiment of the present application.
- FIG. 6 is a schematic diagram 1 of an example of a display interface of an electronic device provided by an embodiment of the present application.
- FIG. 7 is a second schematic diagram of an example of a display interface of an electronic device provided by an embodiment of the present application.
- FIG. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
- the photographing method provided by the embodiment of the present application can be applied to any electronic device that is transmitted between any camera and the device body based on the USB dual-stack architecture.
- the electronic device may be a smart screen (also referred to as a large screen or a smart TV), a personal computer (person computer, PC), a notebook computer, a smart home device, etc.
- a smart screen also referred to as a large screen or a smart TV
- a personal computer person computer, PC
- a notebook computer a smart home device, etc.
- the specific form of the electronic device 100 in the embodiments of the present application No special restrictions are made.
- the electronic device 100 may include a device body 110 and a camera 120 .
- the device body 110 includes a main processor 111, a video processor 122, a memory 112, an audio module 113, a speaker 113A, a display screen 114, a wireless communication module 115, an interface module 116, a power module 117, a camera 120, and the like;
- the camera 120 includes a sensor 121 and video processor 122.
- the camera 120 is liftable.
- the camera 120 may be raised to be separated from the device body 110 ; or the camera 120 may be lowered back into the device body 110 .
- the video processor 122 may be located in the camera 120 and separated from the device body 110 as the camera 120 is raised.
- the video processor 122 may also be located in the main body 110 of the device, and does not rise and fall with the rise and fall of the camera 120 , that is, the rise and fall of the camera 120 is equivalent to the rise and fall of the sensor 121 .
- the structures illustrated in the embodiments of the present invention do not constitute a specific limitation on the electronic device 100 .
- the electronic device 100 may include more or less components than shown, or combine some components, or separate some components, or arrange different components.
- the illustrated components may be implemented in hardware, software or a combination of software and hardware.
- the main processor 111 may include one or more processors, for example, the main processor 111 may include an application processor, a graphics processing unit (GPU), a controller, a video codec, and/or a digital signal processing DSP (digital signal processor, DSP), etc. Wherein, different processors may be independent devices, or may be integrated in one or more processors. For example, the functions of the main processor 111 may be implemented by an integrated main chip.
- the main processor 111 may include an application processor, a graphics processing unit (GPU), a controller, a video codec, and/or a digital signal processing DSP (digital signal processor, DSP), etc.
- DSP digital signal processor
- the controller may be the nerve center and command center of the electronic device 100 .
- the controller can generate an operation control signal according to the instruction operation code and timing signal, and complete the control of fetching and executing instructions.
- An operating system of the electronic device 100 may be installed on the application processor for managing hardware and software resources of the electronic device 100 . For example, managing and configuring memory, prioritizing the supply and demand of system resources, managing file systems, managing drivers, etc.
- the operating system can also be used to provide an operating interface for the user to interact with the system.
- various types of software can be installed in the operating system, for example, a driver program, an application program (application, App), and the like.
- apps such as "camera”, “clock”, “fitness”, and "video” may be installed in the operating system.
- a digital signal processor is used to process digital signals, in addition to processing digital image signals, it can also process other digital signals.
- Video codecs are used to compress or decompress digital video.
- the electronic device 100 may support one or more video codecs. In this way, the electronic device 100 can play videos in various encoding formats.
- Graphics processors are used to perform image and graphics related operations.
- Memory 112 for storing instructions and data.
- memory 112 is a cache memory.
- the memory may hold instructions or data used or recycled by the main processor 111 . If the main processor 111 needs to use the instruction or data again, it can be called directly from the memory 112 . Repeated access is avoided, and the waiting time of the main processor 111 is reduced, thereby improving the efficiency of the system.
- the memory 112 may also be provided in the main processor 111 , that is, the main processor 111 includes the memory 112 . This embodiment of the present application does not limit this.
- the audio module 113 is used for converting digital audio information into analog audio signal output, and also for converting analog audio input into digital audio signal.
- the audio module 113 may also be used to encode and decode audio signals.
- the audio module 113 may be provided in the main processor 111 , or some functional modules of the audio module 113 may be provided in the main processor 111 .
- Speaker 113A also referred to as “speaker” is used to convert audio electrical signals into sound signals.
- the electronic device 100 may implement audio functions through the audio module 113, the speaker 113A, and the application processor. For example sound playback etc.
- the electronic device 100 implements a display function through a GPU, a display screen 114, an application processor, and the like.
- the GPU is a microprocessor for image processing, and is connected to the display screen 114 and the application processor.
- the GPU is used to perform mathematical and geometric calculations for graphics rendering.
- Main processor 111 may include one or more GPUs that execute program instructions to generate or change display information.
- the display screen 114 is used to display images, videos, and the like.
- Display screen 114 includes a display panel.
- the display panel can be a liquid crystal display (LCD), an organic light-emitting diode (OLED), an active-matrix organic light-emitting diode or an active-matrix organic light-emitting diode (active-matrix organic light).
- LED liquid crystal display
- AMOLED organic light-emitting diode
- FLED flexible light-emitting diode
- Miniled MicroLed, Micro-oLed, quantum dot light-emitting diode (quantum dot light emitting diodes, QLED) and so on.
- the display screen 114 may be used to display an App interface, a photo preview interface, a photo, and the like.
- the electronic device 100 may implement a shooting function through a video processor 122, a camera 120, a video codec, a GPU, a display screen 114, an application processor, and the like.
- the wireless communication module 115 can provide applications on the electronic device 100 including wireless local area networks (WLAN) (such as wireless fidelity (WiFi) networks), bluetooth (BT), frequency modulation (frequency modulation, FM), infrared technology (infrared, IR) and other wireless communication solutions.
- WLAN wireless local area networks
- BT wireless fidelity
- FM frequency modulation
- IR infrared technology
- the wireless communication module 115 may be one or more devices integrating at least one communication processing module.
- the wireless communication module 115 receives electromagnetic waves via the antenna, frequency modulates and filters the electromagnetic wave signals, and sends the processed signals to the main processor 111 .
- the interface module 116 may include a network cable interface, a USB interface, an audio output interface, a high definition multimedia interface (HDMI), a memory card interface, and the like.
- the network cable interface can be inserted into the network cable. One end of the network cable is inserted into the network cable interface of the electronic device 100, and the other end is inserted into the wired network interface, and the electronic device 100 is connected to the wired network.
- the USB interface is an interface that conforms to the USB standard specification, which can be a Mini USB interface, a Micro USB interface, a USB Type C interface, etc.
- the USB interface can be used to transmit data between the electronic device 100 and peripheral devices; for example, the electronic device 100 can be connected to an external storage device, an external camera, a gamepad, etc. through the USB interface.
- the device audio output interface is used to connect external audio equipment, for example, it can be used to connect speakers.
- HDMI is a fully digital video and sound transmission interface, which can transmit uncompressed audio and video signals at the same time; for example, the electronic device 100 can be connected to devices such as cable set-top boxes, network set-top boxes, and speakers through the HDMI interface.
- the memory card interface is used to connect an external memory card, such as a Micro SD card, to expand the storage capacity of the electronic device 100 .
- the power module 117 can be used to supply power to various components included in the electronic device 100 .
- Camera 120 is used to capture still images or video.
- the object is projected onto the sensor 121 through the lens-generated optical image.
- the sensor 121 may be a charge coupled device (CCD) or a complementary metal-oxide-semiconductor (CMOS) phototransistor.
- CMOS complementary metal-oxide-semiconductor
- the sensor 121 converts the optical signal into an electrical signal, and then passes the electrical signal to the video processor 122 for conversion into a digital image signal.
- the video processor 122 outputs the digital image signal to DSP processing.
- DSP converts digital image signals into standard RGB, YUV and other formats of image signals.
- the video processor 122 is used for processing the data fed back by the sensor 121 .
- the shutter when taking a picture, the shutter is opened, the light is transmitted to the sensor 121 through the lens, the optical signal is converted into an electrical signal, and the sensor 121 transmits the electrical signal to the video processor 122 for processing and converted into an image visible to the naked eye.
- the video processor 122 can also perform algorithm optimization on the noise, brightness, and skin tone of the image.
- the video processor 122 can also optimize parameters such as exposure and color temperature of the shooting scene.
- the electronic device 100 will be equipped with a remote control.
- the remote controller is used to control the electronic device 100 .
- the remote control 200 may include multiple keys, such as an up key 201 , a down key 202 , a left key 203 , a right key 204 , an OK key 205 , a menu key 206 , a power key 207 and the like.
- the keys on the remote control 200 may be mechanical keys or touch keys.
- the remote controller 200 can receive key inputs, generate key signal inputs related to user settings and function control of the electronic device 100 , and send corresponding signals to the electronic device 100 to control the electronic device 100 .
- the key when the user presses the up key 201, the down key 202, the left key 203, the right key 204, the OK key 205, the menu key 206 or the power key 207, the key can send out a corresponding signal; way to send a signal to the electronic device 100 .
- the electronic device 100 receives the signal corresponding to the key through the wireless communication module 115 (eg, Bluetooth, IR), the corresponding operation can be performed according to the signal.
- the electronic device 100 receives a signal corresponding to the up key 201, it can trigger the focus of the display interface of the electronic device 100 to move up; the electronic device 100 receives a signal corresponding to the down key 202, which can trigger the focus of the display interface of the electronic device 100 to move up.
- the electronic device 100 receives the signal corresponding to the left key 203, which can trigger the focus of the display interface of the electronic device 100 to move to the left; the electronic device 100 receives the signal corresponding to the right key 204, and can trigger the electronic device 100 to display the interface focus right
- the electronic device 100 receives the signal corresponding to the confirm key 205, it can trigger the focus of the selected display interface of the electronic device 100; the electronic device 100 receives the signal corresponding to the menu key 206, and can trigger the electronic device 100 to display the menu page (such as displaying a home camera setting interface); the electronic device 100 receives a signal corresponding to the power key 207, which can trigger the electronic device 100 to turn on or off.
- the remote control 200 may also include other keys and components, such as a home key, a volume key, a back key, a Bluetooth interface, an infrared interface, a battery storage cavity (for installing batteries and powering the remote control) and the like. This embodiment of the present application will not be repeated here.
- the camera 120 is connected to the device body 110 through a USB interface.
- the video processor 122 of the camera 120 and the main processor 111 of the device body 110 are connected through a USB interface.
- the USB transmission channel between the video processor 122 and the main processor 111 adopts a dual-stack architecture.
- two transmission channels are included between the video processor 122 and the main processor 111; one transmission channel is based on the UVC protocol, and the other transmission channel is based on the remote network driver interface specification (RNDIS).
- RNDIS remote network driver interface specification
- the camera 120 transmits the preview video stream to the main processor 111 for rendering through a first transmission channel (such as a UVC channel).
- the photo stream is transmitted to the main processor 111 through the second transmission channel (eg, the RNDIS channel) for saving.
- the UVC channel transmits a lower-resolution video stream, which can reduce the delay and obtain a better real-time experience;
- the RNDIS channel transmits a higher-resolution photo stream, and can obtain photos with higher pixels.
- different transmission channels are used to transmit the video stream and the photographing stream on the USB interface, so that the video stream can be transmitted by using a low resolution and a high transmission rate, and the photographing stream can be transmitted by using a high resolution and a low transmission rate;
- the acquisition of ultra-clear photos can be completed with lower memory and power consumption, and the frame rate and real-time performance of video streaming will not be affected.
- the video processor 122 includes a video input (video input, VI) processing unit 401, a video processing subsystem (video process subsystem, VPSS) 402, an enhancement algorithm unit 403 and artificial intelligence ( artificial intelligence, AI) processing unit 404.
- a video input video input, VI
- a video processing subsystem video process subsystem, VPSS
- an enhancement algorithm unit 403
- artificial intelligence artificial intelligence, AI
- the camera sensor 121 collects video images to form preview image data.
- the VI processing unit 401 preprocesses the preview image data to obtain a preview video stream.
- the preprocessing may include filtering and noise reduction, object enhancement, image segmentation and other processing.
- the VPSS402 obtains the video stream and the photographing stream according to the preview video stream.
- an AI stream and the like may also be obtained according to the preview video stream.
- the video stream is used for photo preview;
- the photo stream is used to obtain photos;
- the AI stream is used for artificial intelligence operations, such as face recognition.
- the electronic device can perform face recognition based on the AI stream, and then perform skin beautification, beauty or other image processing on the face in the video stream based on the result of the face recognition.
- VPSS402 configures the resolution and transmission rate of video stream, camera stream and AI stream respectively.
- the video stream adopts a first resolution and a first transmission rate
- the photographing stream adopts a second resolution and a second transmission rate
- the AI stream adopts a third resolution and a third transmission rate.
- the first resolution is smaller than the second resolution and larger than the third resolution
- the first transmission rate is equal to the third transmission rate and larger than the second transmission rate.
- the first resolution is 2560x1920
- the first transmission rate is 30fps (frames per second)
- the second resolution is 5632x4224
- the second transmission rate is 2fps
- the third resolution is 1920x1080
- the third The transfer rate is 30fps.
- the camera sensor collects video images at a second resolution to obtain a preview video stream;
- VPSS402 compresses the resolution of the preview video stream to a first resolution to form a video stream; adopts a video encoding method encoding the video stream; and using the first transmission rate to send the video stream to the main processor through the first transmission channel (such as a UVC channel); the main processor renders the decoded video stream and completes the photo preview.
- the video encoding method may include H265, H264, and the like. In this way, the video stream is transmitted with a lower resolution and a high transmission rate, which can ensure the clarity and smoothness of the video stream.
- the VPSS402 intercepts one or more frames of images of the preview video stream to form a photo stream; the enhancement algorithm unit 403 uses an image enhancement algorithm to perform image enhancement processing on the photo stream; uses an image encoding method to enhance the image
- the processed photo stream is encoded; and sent to the main processor through a second transmission channel (such as an RNDIS channel) at a second transmission rate; the main processor saves the decoded photo stream and completes the photo.
- the image enhancement algorithm may include a histogram equalization algorithm, a grayscale transformation algorithm, an image smoothing algorithm, an image sharpening algorithm, and the like.
- Image coding methods may include MJPEG (motion joint photographic experts group), JPEG (joint photographic experts group), and the like.
- MJPEG motion joint photographic experts group
- JPEG joint photographic experts group
- the high-resolution photo stream can be used to obtain ultra-clear photos; and the photo stream can be obtained only when a photo is taken, which can save memory and reduce power consumption.
- the VPSS 402 intercepts one or more frames of the preview video stream, and compresses the image resolution to a third resolution to form an AI stream; the AI processing unit 404 performs AI processing (such as face recognition) according to the AI stream. ).
- the VI processing unit 401 preprocesses the preview image data according to the calculation result of the AI processing unit 404 . For example, the VI processing unit 401 adjusts the overall exposure of the image according to the face data calculated by the AI processing unit 404, and improves the brightness of the face.
- the preview image data is preprocessed according to the calculation result of the AI processing unit 404, which improves the look and feel of the preview video and photos, and improves the user experience; the AI stream adopts a lower resolution and a higher transmission rate, which can improve the AI calculation speed and improve the user experience. real-time.
- An embodiment of the present application provides a photographing method, as shown in FIG. 5A , the method may include:
- the electronic device receives an operation of the user to open the camera App.
- the user opens the "Home Camera” app of the smart screen.
- the smart screen displays an “all applications” interface 601, and the “all applications” interface 601 includes a “home camera” icon 602.
- the user can select the “home camera” icon 602 to open the “home camera” App.
- the smart screen may receive the user's selection operation on the “home camera” icon 602 .
- the smart screen receives the user's selection operation on the "home camera” icon 602, that is, receives the user's operation of opening the camera App.
- the smart screen displays an "all applications" interface 601, focusing on the first icon "AI fitness".
- the user can move the focus to the right by pressing the right key (such as the right key 204 shown in FIG. 2 ) of the remote control (such as the remote control 200 shown in FIG. 2 ); when the focus falls on the “home camera” icon 602 , the user presses Press the confirmation key (such as the confirmation key 205 shown in FIG. 2 ) of the remote control (such as the remote control 200 shown in FIG. 2 ).
- the smart screen receives the signal corresponding to the confirmation key 205 through the wireless communication module 115 (such as Bluetooth), that is, receives the user's selection operation on the “home camera” icon 602 .
- the wireless communication module 115 such as Bluetooth
- the smart screen In response to receiving the user's selection operation on the “home camera” icon 602 , the smart screen displays a “photograph preview” interface 603 .
- the "Photo Preview” interface 603 may include, but is not limited to, the "Photo” option 604, the “Video” option 605, the “Photo Frame” option 606, etc.;
- the "frame” option 606 is used to switch photo frames.
- the "all applications" interface 601 further includes a "family album” icon 607, and the user can select the "family album” icon 607 to open the family album and view photos that have been saved to the smart screen.
- the user selects the "photograph” option 604 to start taking a photo, and the smart screen takes a photo and saves the photo. Users can open the family album to view the photos they have taken.
- the embodiments of the present application take the remote controller controlling the smart screen as an example for illustrative description. It can be understood that the electronic device in this embodiment of the present application may be controlled in other manners. For example, the camera app of the electronic device can be opened through the mobile app to start taking pictures, and the focus on the display screen can be moved, etc.; or the camera app of the electronic device can be opened through voice control to start taking pictures, etc.
- the embodiments of the present application do not limit the specific manner of controlling the electronic device (for example, opening the camera App and starting to take pictures).
- the camera App In response to receiving the user's instruction to open the camera App, the camera App sends the first preview instruction to the UVC channel, and sends the second preview instruction to the RNDIS channel.
- the camera App in response to receiving the user's operation of opening the camera App, sends a first preview instruction to the UVC channel, where the first preview instruction is used to instruct to start a photo preview.
- the first preview instruction includes a first resolution.
- the camera App sends a second preview command to the RNDIS channel, where the second preview command is used to instruct to start a photo preview.
- the second preview instruction includes a second resolution. Understandably, the camera App is installed in the operating system of the main processor.
- the camera App sends the first preview command to the UVC channel, that is, the main processor sends the first preview command to the UVC channel; the camera App sends the second preview command to the RNDIS channel, that is, the main processor sends the second preview command to the RNDIS channel.
- the first resolution and the second resolution are default values; for example, the first resolution is a first default value (eg, 2560 ⁇ 1440), and the second resolution is a second default value (eg, 5632 ⁇ 3168).
- the values of the first resolution and the second resolution may be modified according to the user's selection.
- the smart screen displays a “photograph preview” interface 603 .
- a signal corresponding to a user pressing a menu key eg, menu key 206 shown in FIG. 2
- a remote controller eg, remote controller 200 shown in FIG. 2
- the smart screen displays a "home camera setting” interface 701 .
- the "Home Camera Settings” interface 701 may include a "Photo Resolution” option 702 for setting the resolution at which the camera captures photos.
- the smart screen may receive the user's selection operation on the "photo resolution” option 702, and in response to the user's selection operation on the "photo resolution” option 702, display the "photo resolution” interface 703.
- the "Photo Resolution” interface 703 may include multiple resolution options.
- the "Photo Resolution” interface 703 may include an "18MP” option 704, a "4MP” option 705, a "24MP” option 706 and a "6MP” option 707; corresponding to 18MP, 4MP, 24MP, and 6MP, respectively CMOS.
- the default option of the smart screen is the "18MP" option 704, which means that the photo is taken with 18 million pixels in a 16:9 aspect ratio; the corresponding second resolution is 5632x3168, and the corresponding first resolution can be 2560x1440.
- the smart screen receives a user's selection operation on the "24MP" option 706, and the "24MP" option indicates that a photo is taken with 24 million pixels in a 4:3 aspect ratio, and the corresponding second resolution is 5632x4224.
- the smart screen determines that the second resolution is 5632x4224.
- the smart screen determines the value of the first resolution, and the first resolution is smaller than the second resolution.
- the first resolution may be 2560 ⁇ 1980.
- the UVC channel sends the first preview command to the VI processing unit, and the RNDIS channel sends the second preview command to the VI processing unit.
- the VI processing unit sends a third preview instruction to the camera sensor.
- the VI processing unit receives the first preview command, and obtains the first resolution according to the first preview command; the VI processing unit receives the second preview command, and obtains the second resolution according to the second preview command.
- the VI processing unit sends a third preview instruction to the camera sensor, where the third preview instruction is used to instruct to start a photo preview.
- the third preview instruction includes the second resolution.
- the camera sensor starts a photo preview, and collects video images.
- the camera sensor receives the third preview instruction and starts the photo preview.
- the camera sensor captures video images at the second resolution to form preview image data.
- the camera sensor sends preview image data to the VI processing unit.
- the VI processing unit acquires a preview video stream according to the preview image data.
- the VI processing unit receives the preview image data, and preprocesses the preview image data to obtain a preview video stream.
- the VI processing unit can perform filtering and noise reduction, target enhancement, and image segmentation on the preview image data.
- the VI processing unit adjusts the overall exposure of the preview image data according to the face data calculated by the AI processing unit, so as to improve the brightness of the face in the image.
- the VI processing unit sends a fourth preview instruction to the VPSS.
- the fourth preview instruction is used to instruct to start the photo preview.
- the fourth preview instruction includes the first resolution and the second resolution.
- the VI processing unit sends the preview video stream to the VPSS.
- the VPSS acquires the video stream according to the preview video stream, and sends the video stream to the UVC channel.
- the VPSS receives a preview video stream, and the resolution of the preview video stream is the second resolution.
- the VPSS compresses the resolution of the preview video stream to the first resolution to form a video stream; and sends the video stream to the UVC channel.
- the video stream is sent to the camera App through the UVC channel.
- the resolution of the video stream is the first resolution.
- the video stream is sent to the camera App at the first transmission rate through the UVC channel.
- the camera App renders and plays the video stream.
- the camera App receives the video stream, and the main processor renders the video stream.
- the main processor plays the rendered video stream through the display screen, that is, displays the photographing preview interface; the resolution of the photographing preview interface is the first resolution.
- the smart screen receives a user's photographing operation.
- the smart screen displays the "photograph preview" interface 603 shown in FIG. 6 .
- the "Take Photo Preview” interface 603 includes a "Take Photo” option 604, and the user can select the "Take Photo” option 604 to initiate taking a photo.
- the smart screen can receive the user's selection operation on the "photograph” option 604 .
- the smart screen receives the user's selection operation on the "photograph” option 604, that is, receives the user's photographing operation.
- the user may also send a photographing instruction through a mobile phone App, voice, etc., which is not limited in the embodiment of the present application.
- the camera App In response to receiving the user's photographing instruction, the camera App sends the photographing instruction to the RNDIS channel.
- the camera App in response to receiving the user's photographing operation, the camera App (main processor) sends a photographing instruction to the RNDIS channel.
- the photographing instruction includes a second resolution.
- the RNDIS channel sends a photographing instruction to the VPSS.
- the S50g and VPSS obtain the photo stream according to the preview video stream.
- the VPSS After receiving the photographing instruction, the VPSS intercepts one or more frames of the preview video stream to form a photographing stream.
- the resolution of the preview video stream and the photographing stream is the second resolution. It is understandable that during the preview process, the camera sensor continuously collects images and forms a preview video stream.
- the VPSS intercepts one or more frames of the current preview video stream to form a photographing stream.
- the VPSS sends the photo stream to the RNDIS channel.
- the camera stream obtained by the VPSS is sent to the RNDIS channel after image enhancement processing.
- the photo stream is sent to the camera app through the RNDIS channel.
- the photo stream is sent to the camera app at the second transmission rate through the RNDIS channel.
- the camera app receives the photo stream and saves it as a photo; the resolution of the photo is the second resolution.
- a user may open a family album to view saved photos.
- the VI processing unit may first execute S504, send the third instruction to the camera sensor, and then execute S508, and send the fourth instruction to the VPSS; or may first execute S508, and send the fourth instruction to the VPSS, and then execute S504, and send the fourth instruction to the camera.
- the sensor sends a third instruction; the sequence of the above steps does not affect the effect of the embodiment of the present application.
- the embodiment of the present application provides a photographing method. After a camera collects an image according to the high resolution of the photograph, a video stream is transmitted to a main processor at a lower resolution and a higher transmission rate through a first transmission channel; The transmission channel transmits the photo stream to the main processor at a higher resolution and a lower transmission rate, and the resolution of the photo is not limited by the resolution of the preview video. In this way, you can not only obtain ultra-clear photos, but also ensure that the preview video is clear and smooth.
- the embodiment of the present application also provides a photographing method, as shown in FIG. 5B , the method may include:
- the camera App In response to receiving the user's instruction to open the camera App, the camera App sends a first preview instruction to the UVC channel.
- the camera App in response to receiving the user's operation of opening the camera App, the camera App sends a first preview instruction to the UVC channel, where the first preview instruction is used to instruct to start a photo preview. Understandably, the camera App is installed in the operating system of the main processor. The camera App sends the first preview command to the UVC channel, that is, the main processor sends the first preview command to the UVC channel.
- the first preview instruction includes a first resolution.
- the first resolution is a default value; for example, the first resolution is a first default value (eg, 2560 ⁇ 1440).
- the value of the first resolution is determined according to a user's selection. Illustratively, referring to FIG.
- the "Photo Resolution” interface 703 includes a plurality of resolution options. The user can select an option for the photo resolution.
- the "Photo Resolution” interface 703 may include an "18MP” option 704, a "4MP” option 705, a "24MP” option 706 and a “6MP” option 707; corresponding to 18MP, 4MP, 24MP, and 6MP, respectively CMOS.
- the "18MP" option 704 indicates that a photo is taken with 18 megapixels in a 16:9 aspect ratio; the corresponding photo resolution is 5632x3168, and the corresponding first resolution is 2560x1440.
- the UVC channel sends a first preview instruction to the VI processing unit.
- the VI processing unit sends a first preview instruction to the camera sensor.
- the camera sensor starts a photo preview, and captures a video image at a first resolution.
- the camera sensor receives the first preview instruction, acquires the first resolution according to the first preview instruction, and collects video images at the first resolution to form preview image data.
- the camera sensor sends preview image data to the VI processing unit.
- the VI processing unit acquires a preview video stream according to the preview image data.
- the VI processing unit sends a preview video stream to the VPSS.
- the VPSS sends the preview video stream to the UVC channel.
- the preview video stream is sent to the camera App through the UVC channel.
- the resolution of the video stream is the first resolution.
- the video stream is sent to the camera app at a first transmission rate (eg, 30fps) through the UVC channel.
- the camera App renders and plays the video stream.
- the camera App in response to receiving the user's photographing instruction, the camera App sends the photographing instruction to the RNDIS channel.
- the camera App in response to receiving the user's photographing instruction, sends the photographing instruction to the RNDIS channel.
- the photographing instruction includes a second resolution; wherein the second resolution is greater than the first resolution.
- the second resolution is 5632 ⁇ 3168.
- the camera App is installed in the operating system of the main processor. The camera App sends a photographing command to the RNDIS channel, that is, the main processor sends a photographing command to the RNDIS channel.
- the RNDIS channel sends a photographing instruction to the VI processing unit.
- the photographing instruction includes the second resolution.
- the VI processing unit sends a photographing instruction to the camera sensor.
- the camera sensor collects video images at the second resolution.
- the camera sensor receives the photographing instruction, obtains the second resolution according to the photographing instruction, and collects video images at the second resolution to form second preview image data.
- the camera sensor sends the second preview image data to the VI processing unit.
- the VI processing unit acquires the second preview video stream according to the second preview image data.
- the VI processing unit receives the second preview image data, and preprocesses the second preview image data to obtain a second preview video stream.
- the VI processing unit may perform filtering and noise reduction, target enhancement, image segmentation and other processing on the second preview image data.
- the VI processing unit sends a photographing instruction to the VPSS.
- the VI processing unit sends the second preview video stream to the VPSS.
- the VPSS acquires the photographing stream according to the second preview video stream.
- the VPSS After receiving the photographing instruction, the VPSS intercepts one or more frames of images of the second preview video stream to form a photographing stream.
- the resolutions of the second preview video stream and the photographing stream are the second resolution.
- the VPSS compresses the resolution of the second preview video stream to the first resolution to form the second video stream; and sends the second video stream to the UVC channel.
- the second video stream is sent to the camera app through the UVC channel.
- the camera App receives the second video stream and renders the second video stream.
- the display screen of the smart screen plays the rendered second video stream, that is, a photo preview interface is displayed; the resolution of the photo preview interface is the first resolution.
- VPSS sends the photo stream to the RNDIS channel.
- the camera stream obtained by the VPSS is sent to the RNDIS channel after image enhancement processing.
- the photo stream is sent to the camera app through the RNDIS channel.
- the photo stream is sent to the camera App at the second transmission rate through the RNDIS channel.
- the second transmission rate is smaller than the first transmission rate, for example, the second transmission rate is 2fps.
- the photo stream is sent through the RNDIS channel with a higher resolution and a lower transmission rate, so that high-definition photos can be obtained.
- the camera app receives the photo stream and saves it as a photo; the resolution of the photo is the second resolution.
- a user may open a family album to view saved photos.
- the embodiment of the present application provides a photographing method.
- a camera captures an image at a low resolution, and transmits a video stream to a main processor at a lower resolution and a higher transmission rate through a first transmission channel; Video smoothness.
- the camera captures images with high resolution, and transmits the camera stream to the main processor at a higher resolution and a lower transmission rate through the second transmission channel, so as to obtain high-definition photos. In this way, you can not only obtain ultra-clear photos, but also ensure that the preview video is clear and smooth.
- the above-mentioned electronic device includes corresponding hardware structures and/or software modules for executing each function.
- the embodiments of the present application can be implemented in hardware or a combination of hardware and computer software. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Experts may use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of the embodiments of the present application.
- the electronic device may be divided into functional modules according to the foregoing method examples.
- each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module.
- the above-mentioned integrated modules can be implemented in the form of hardware, and can also be implemented in the form of software function modules. It should be noted that, the division of modules in the embodiments of the present application is schematic, and is only a logical function division, and there may be other division manners in actual implementation.
- FIG. 8 shows a possible schematic structural diagram of the electronic device involved in the above embodiment.
- the electronic device 800 includes: a camera 810 and a device body 820 ; wherein, the camera 810 includes a sensor 811 and a first processing unit 812 ; the device body 820 includes a second processing unit 821 and a display unit 822 .
- Data can be exchanged between the camera 810 and the device body 820 through the first channel 831 or the second channel 832; specifically, the first processing unit 812 and the second processing unit 821 can exchange data through the first channel 831 or the second channel 832 .
- the senor 811 is used for collecting images.
- it may be used to perform the processing steps of S505 and S506 in Figure 5A; or the processing steps of S515, S516, S51g and S51h in Figure 5B; and/or other processes for the techniques described herein.
- the first processing unit 812 is used for image processing. For example, it can be used to perform the processing steps of S504, S507-S50a, 50g and S50h in FIG. 5A; or the processing steps of S514, S517-S519, S51f and S51i-S51n in FIG. 5B; and/or for the processing steps described herein. Other procedures of the described techniques.
- the first channel 831 is used for transmitting video stream and video stream related commands. For example, it may be used to perform the process steps of S503 and S115b in FIG. 5A; or the process steps of S513 and S51a in FIG. 5B; and/or other processes for the techniques described herein.
- the second channel 832 is used to transmit the photographing stream and the instructions related to the photographing stream. For example, it may be used to perform the processing steps of S503, S50f and S50i in FIG. 5A; or the processing steps of S51e and S51p in FIG. 5B; and/or other processes for the techniques described herein.
- the second processing unit 821 is configured to control and manage the actions of the electronic device 800 and interact with the user (for example, receiving user instructions, etc.). For example, it can be used to perform the processing steps of S501, S502, S50c-S50e and S50j in FIG. 5A; or the processing steps of S511, S512, S51b-S51d and S51q in FIG. 5B; and/or for the processing steps described herein other processes of technology.
- the display unit 822 is used to display a display interface of the electronic device 800, for example, it can be used to display a photo preview interface, a setting interface, a photo, and the like.
- the unit modules in the above electronic device 800 include but are not limited to the above sensor 811 , the first processing unit 812 , the first channel 831 , the second channel 832 , the second processing unit 821 and the display unit 822 .
- the electronic device 800 may further include a storage unit, a communication unit, an audio unit, and the like.
- the storage unit is used to store program codes and data of the electronic device 800 .
- the communication unit is used to support communication between the electronic device 800 and other devices. For example, it can be used to receive control signals from a remote control. Audio units are used to play sounds etc.
- the sensor 811 may be a sensor of a camera.
- the first processing unit 812 may be a video processor or other programmable logic device, transistor logic device, hardware component, or any combination thereof, which may implement or execute various exemplary logic blocks described in connection with the present disclosure, modules and circuits.
- the first channel 831 and the second channel 832 may be USB channels.
- the second processing unit 821 may be a processor or a controller, for example, a central processing unit (CPU), a digital signal processor (DSP), an application-specific integrated circuit (ASIC) ), field programmable gate array (FPGA), or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof.
- the storage unit may be a memory.
- the communication unit may be a transceiver, a transceiver circuit, a communication interface, or the like.
- the display unit 822 may be a display screen.
- the audio unit may include speakers, receivers, and the like.
- the sensor 811 is an image acquisition sensor (such as the sensor 121 shown in FIG. 2 )
- the first processing unit 812 is a processor (such as the video processor 122 shown in FIG. 2 )
- the second processing unit 821 is a processor (such as The main processor 111 shown in FIG. 2 )
- the storage unit may be a memory (the memory 112 shown in FIG. 2 )
- the communication unit may be a wireless communication module (the wireless communication module 115 shown in FIG. 2 )
- the display unit 822 It may be a display screen (display screen 114 shown in FIG. 2 )
- the audio unit may include a speaker (speaker 113A shown in FIG. 2 ) and the like.
- the electronic device 800 provided in this embodiment of the present application may be the electronic device 100 shown in FIG. 2 .
- the above-mentioned processor, memory, communication module, etc. can be coupled together, for example, connected through a bus.
- Embodiments of the present application further provide a computer-readable storage medium, where computer program codes are stored in the computer-readable storage medium.
- the electronic device executes the related method in FIG. 5A or FIG. 5B The steps implement the methods in the above embodiments.
- Embodiments of the present application also provide a computer program product, which, when the computer program product runs on a computer, causes the computer to execute the relevant method steps in FIG. 5A or FIG. 5B to implement the method in the above embodiment.
- the electronic device 800, the computer-readable storage medium, or the computer program product provided by the embodiments of the present application are all used to execute the corresponding methods provided above. Therefore, for the beneficial effects that can be achieved, reference may be made to the provided above. The beneficial effects in the corresponding method will not be repeated here.
- the disclosed apparatus and method may be implemented in other manners.
- the device embodiments described above are only illustrative.
- the division of the modules or units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components may be Incorporation may either be integrated into another device, or some features may be omitted, or not implemented.
- the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components shown as units may be one physical unit or multiple physical units, that is, they may be located in one place, or may be distributed to multiple different places . Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
- the above-mentioned integrated units can be implemented in the form of hardware, and can also be implemented in the form of software functional units.
- the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a readable storage medium.
- the technical solutions of the embodiments of the present application can be embodied in the form of software products in essence, or the parts that contribute to the prior art, or all or part of the technical solutions, which are stored in a storage medium , including several instructions to make a device (may be a single chip microcomputer, a chip, etc.) or a processor (processor) to execute all or part of the steps of the methods described in the various embodiments of the present application.
- the aforementioned storage medium includes: a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk and other mediums that can store program codes.
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Abstract
Description
Claims (16)
- 一种拍照方法,应用于电子设备,所述电子设备包括设备主体和与所述设备主体连接的摄像头,所述设备主体包括显示屏;其特征在于,所述方法包括:所述摄像头采集视频图像,并根据所述视频图像获取具有第一分辨率的视频流;所述摄像头通过第一传输通道传输所述视频流至所述设备主体;所述设备主体通过所述显示屏显示所述视频流;响应于所述设备主体接收到拍照指令,所述摄像头根据采集的视频图像获取具有第二分辨率的拍照流;其中,所述第二分辨率大于所述第一分辨率;所述摄像头通过第二传输通道传输所述拍照流至所述设备主体;所述第二传输通道与所述第一传输通道不同;所述设备主体根据所述拍照流获取照片。
- 根据权利要求1所述的方法,其特征在于,所述摄像头采集视频图像,并根据所述视频图像获取具有第一分辨率的视频流包括:所述摄像头以所述第二分辨率采集第一视频图像,对所述第一视频图像进行处理,获取具有所述第一分辨率的所述视频流;所述摄像头根据采集的视频图像获取具有第二分辨率的拍照流包括:所述摄像头根据所述第一视频图像获取具有所述第二分辨率的所述拍照流。
- 根据权利要求1所述的方法,其特征在于,所述摄像头采集视频图像,并根据所述视频图像获取具有第一分辨率的视频流包括:摄像头以所述第一分辨率采集第二视频图像,并根据所述第二视频图像获取具有所述第一分辨率的所述视频流;响应于所述设备主体接收到拍照指令,所述摄像头根据采集的视频图像获取具有第二分辨率的拍照流包括:响应于所述设备主体接收到所述拍照指令,所述摄像头以所述第二分辨率采集第一视频图像,并根据所述第一视频图像获取具有所述第二分辨率的所述拍照流。
- 根据权利要求2或3所述的方法,其特征在于,所述摄像头根据所述第一视频图像获取具有所述第二分辨率的所述拍照流包括:所述摄像头截取所述第一视频图像的一帧或多帧图像形成所述拍照流。
- 根据权利要求1-4任意一项所述的方法,其特征在于,所述摄像头通过第一传输通道传输所述视频流至所述设备主体包括:所述摄像头通过所述第一传输通道以第一传输速率传输所述视频流至所述设备主体;所述摄像头通过第二传输通道传输所述拍照流至所述设备主体包括:所述摄像头通过所述第二传输通道以第二传输速率传输所述拍照流至所述设备主体;其中,所述第二传输速率小于所述第一传输速率。
- 根据权利要求1-5任意一项所述的方法,其特征在于,所述方法还包括:所述摄像头根据采集的视频图像获取具有第三分辨率的人工智能AI流;其中,所述第三分辨率小于所述第一分辨率;所述摄像头根据所述AI流对所述采集的视频图像进行图像增强处理。
- 根据权利要求1-6任意一项所述的方法,其特征在于,所述摄像头与所述设备主体之间通过通用串行总线USB连接。
- 一种电子设备,其特征在于,包括:设备主体和与所述设备主体连接的摄像头,所述设备主体包括显示屏;所述摄像头,用于采集视频图像,并根据所述视频图像获取具有第一分辨率的视频流;所述摄像头,还用于通过第一传输通道传输所述视频流至所述设备主体;所述设备主体,用于通过所述显示屏显示所述视频流;所述设备主体,还用于接收拍照指令;所述摄像头,还用于响应于所述设备主体接收到所述拍照指令,根据所述摄像头采集的视频图像获取具有第二分辨率的拍照流;其中,所述第二分辨率大于所述第一分辨率;所述摄像头,还用于通过第二传输通道传输所述拍照流至所述设备主体;所述第二传输通道与所述第一传输通道不同;所述设备主体,还用于根据所述拍照流获取照片。
- 根据权利要求8所述的电子设备,其特征在于,所述摄像头,具体用于以所述第二分辨率采集第一视频图像;所述摄像头,具体还用于对所述第一视频图像进行处理,获取具有所述第一分辨率的所述视频流;所述摄像头,具体还用于根据所述第一视频图像获取具有所述第二分辨率的所述拍照流。
- 根据权利要求8所述的电子设备,其特征在于,所述摄像头,具体用于以所述第一分辨率采集第二视频图像,并根据所述第二视频图像获取具有所述第一分辨率的所述视频流;所述摄像头,具体还用于响应于所述设备主体接收到所述拍照指令,以所述第二分辨率采集第一视频图像,并根据所述第一视频图像获取具有所述第二分辨率的所述拍照流。
- 根据权利要求9或10所述的电子设备,其特征在于,所述摄像头根据所述第一视频图像获取具有所述第二分辨率的所述拍照流具体包括:所述摄像头截取所述第一视频图像的一帧或多帧图像形成所述拍照流。
- 根据权利要求8-11任意一项所述的电子设备,其特征在于,所述摄像头具体用于通过所述第一传输通道以第一传输速率传输所述视频流至所述设备主体;所述摄像头具体还用于通过所述第二传输通道以第二传输速率传输所述拍照流至所述设备主体;其中,所述第二传输速率小于所述第一传输速率。
- 根据权利要求8-12任意一项所述的电子设备,其特征在于,所述摄像头,还用于根据采集的视频图像获取具有第三分辨率的人工智能AI流;所述第三分辨率小于所述第一分辨率;所述摄像头,还用于根据所述AI流对所述采集的视频图像进行图像增强处理。
- 根据权利要求8-13任意一项所述的电子设备,其特征在于,所述摄像头与所述设备主体之间通过通用串行总线USB连接。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质包括计算机指令,当所述计算机指令在电子设备上运行时,使得所述电子设备执行如权利要求1-7任意一项所述的方法。
- 一种计算机程序产品,其特征在于,当所述计算机程序产品在计算机上运行时,使得所述计算机执行如权利要求1-7任意一项所述的方法。
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| CN117499446B (zh) * | 2022-07-21 | 2025-10-28 | 荣耀终端股份有限公司 | 协同工作系统、方法及电子设备 |
| WO2024101747A1 (ko) * | 2022-11-07 | 2024-05-16 | 삼성전자 주식회사 | 카메라를 포함하는 웨어러블 전자 장치 및 이의 동작 방법 |
| CN118351612A (zh) * | 2024-04-18 | 2024-07-16 | 青岛海尔智能家电科技有限公司 | 智能门锁的数据处理方法、装置、存储介质及电子装置 |
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