WO2020246642A1 - Terminal mobile et son procédé de commande - Google Patents

Terminal mobile et son procédé de commande Download PDF

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Publication number
WO2020246642A1
WO2020246642A1 PCT/KR2019/006856 KR2019006856W WO2020246642A1 WO 2020246642 A1 WO2020246642 A1 WO 2020246642A1 KR 2019006856 W KR2019006856 W KR 2019006856W WO 2020246642 A1 WO2020246642 A1 WO 2020246642A1
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WO
WIPO (PCT)
Prior art keywords
mobile terminal
image data
image
image information
output
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2019/006856
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English (en)
Korean (ko)
Inventor
이응봉
김지훈
이민하
홍병용
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
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LG Electronics Inc
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Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority to PCT/KR2019/006856 priority Critical patent/WO2020246642A1/fr
Publication of WO2020246642A1 publication Critical patent/WO2020246642A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones

Definitions

  • the present invention relates to a mobile terminal and a control method thereof, and more particularly, in a mobile terminal having a camera and a display, the second microlens is rearranged by rearranging image information acquired through a camera including a first microlens array.
  • the present invention relates to a mobile terminal that displays on a display including an array to easily obtain and output 3D image information, and a control method thereof.
  • the 3D image information acquired from the optical field camera is output to the optical field display through a separate 3D modeling process, so that the load on the device is high and the processing speed is slow in the conversion process.
  • the obtained 3D image information is easily and quickly output by rearranging the divided image information of specific coordinates of the input image data obtained from the camera into the divided image information of the specific coordinate of the output image and outputting it to the display. It is an object of the present invention to provide a mobile terminal and a control method thereof.
  • Another embodiment of the present invention provides a mobile terminal including a camera and a display including a micro lens array and a pixel array arranged in the same form, reducing the processing load of the device and quickly realizing a 3D image, and a control method thereof. It aims to provide.
  • a mobile terminal includes a main lens; A first microlens array comprising a plurality of first microlenses and dividing the light passing through the main lens into a plurality of divided image information; An image sensor that acquires input image data including the plurality of divided image information; A controller configured to rearrange the plurality of divided image information to generate output image data; A display panel that displays an output image based on the output image data; And a second microlens array including a plurality of second microlenses, and converting the output image into a 3D image.
  • a method for controlling a mobile terminal includes: dividing light passing through a main lens with a first micro lens array into a plurality of divided image information; Acquiring input image data including the plurality of divided image information by an image sensor; Rearranging the plurality of divided image information; Generating output image data based on the rearranged plurality of segmented image information; Displaying an output image on a display panel based on the output image data; And converting the output image into a three-dimensional image with a second micro lens array.
  • the present invention rearranges the divided image information of specific coordinates of the input image data acquired from the camera into the divided image information of the specific coordinates of the output image and outputs the obtained 3D image to the display. Information can be printed out quickly and easily.
  • the present invention includes a camera and a display including a microlens array and a pixel array arranged in the same form, thereby reducing a processing load of a device, thereby rapidly realizing a 3D image.
  • FIG. 1A is a block diagram illustrating a mobile terminal related to the present invention.
  • FIGS. 1B and 1C are conceptual diagrams of an example of a mobile terminal according to the present invention viewed from different directions.
  • FIG. 2 is a block diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 3 is a diagram illustrating a method of controlling a mobile terminal according to an embodiment of the present invention.
  • FIG. 4 is a view showing a tablet PC according to an embodiment of the present invention.
  • FIG. 5 is a conceptual diagram of an optical field camera according to an embodiment of the present invention.
  • FIG. 6 is a conceptual diagram of an optical field display according to an embodiment of the present invention.
  • FIG. 7 is a diagram illustrating an image processing process of a mobile terminal according to an embodiment of the present invention.
  • FIG. 8 is a diagram illustrating a pixel array and a micro lens array according to an embodiment of the present invention.
  • Mobile terminals described in this specification include mobile phones, smart phones, laptop computers, digital broadcasting terminals, personal digital assistants (PDAs), portable multimedia players (PMPs), navigation systems, and slate PCs.
  • Tablet PC tablet PC
  • ultrabook ultrabook
  • wearable device wearable device, for example, smartwatch, glass-type terminal (smart glass), HMD (head mounted display)), etc. may be included. have.
  • FIG. 1A is a block diagram illustrating a mobile terminal related to the present invention
  • FIGS. 1B and 1C are conceptual diagrams of an example of a mobile terminal related to the present invention viewed from different directions.
  • the mobile terminal 100 includes a wireless communication unit 110, an input unit 120, a sensing unit 140, an output unit 150, an interface unit 160, a memory 170, a control unit 180, and a power supply unit 190. ), etc.
  • the components shown in FIG. 1A are not essential for implementing the mobile terminal, and thus, the mobile terminal described in the present specification may have more or fewer components than those listed above.
  • the wireless communication unit 110 may be configured between the mobile terminal 100 and the wireless communication system, between the mobile terminal 100 and another mobile terminal 100, or between the mobile terminal 100 and an external server. It may include one or more modules that enable wireless communication between. In addition, the wireless communication unit 110 may include one or more modules for connecting the mobile terminal 100 to one or more networks.
  • the wireless communication unit 110 may include at least one of a broadcast reception module 111, a mobile communication module 112, a wireless Internet module 113, a short-range communication module 114, and a location information module 115. .
  • the input unit 120 includes a camera 121 or an image input unit for inputting an image signal, a microphone 122 for inputting an audio signal, or an audio input unit, and a user input unit 123 for receiving information from a user, for example, , A touch key, a mechanical key, etc.).
  • the voice data or image data collected by the input unit 120 may be analyzed and processed as a user's control command.
  • the sensing unit 140 may include one or more sensors for sensing at least one of information in the mobile terminal, information on surrounding environments surrounding the mobile terminal, and user information.
  • the sensing unit 140 includes a proximity sensor 141, an illumination sensor 142, a touch sensor, an acceleration sensor, a magnetic sensor, and gravity.
  • G-sensor for example, camera (see 121)), microphone (microphone, see 122), battery gauge, environmental sensor (for example, barometer, hygrometer, thermometer, radiation detection sensor, It may include at least one of a heat sensor, a gas sensor, etc.), and a chemical sensor (eg, an electronic nose, a healthcare sensor, a biometric sensor, etc.).
  • the mobile terminal disclosed in the present specification may combine and utilize information sensed by at least two or more of these sensors.
  • the output unit 150 is for generating an output related to visual, auditory or tactile sense, and includes at least one of the display unit 151, the sound output unit 152, the hap tip module 153, and the light output unit 154 can do.
  • the display unit 151 may implement a touch screen by forming a layer structure or integrally with the touch sensor. Such a touch screen can function as a user input unit 123 that provides an input interface between the mobile terminal 100 and a user, and can provide an output interface between the mobile terminal 100 and a user.
  • the interface unit 160 serves as a passage between various types of external devices connected to the mobile terminal 100.
  • the interface unit 160 connects a wired/wireless headset port, an external charger port, a wired/wireless data port, a memory card port, and a device equipped with an identification module. It may include at least one of a port, an audio input/output (I/O) port, an input/output (video I/O) port, and an earphone port.
  • the mobile terminal 100 may perform appropriate control related to the connected external device in response to the connection of the external device to the interface unit 160.
  • the memory 170 stores data supporting various functions of the mobile terminal 100.
  • the memory 170 may store a plurality of application programs or applications driven by the mobile terminal 100, data for operation of the mobile terminal 100, and commands. At least some of these application programs may be downloaded from an external server through wireless communication. In addition, at least some of these application programs may exist on the mobile terminal 100 from the time of delivery for basic functions of the mobile terminal 100 (eg, incoming calls, outgoing functions, message reception, and outgoing functions). Meanwhile, the application program may be stored in the memory 170, installed on the mobile terminal 100, and driven by the controller 180 to perform an operation (or function) of the mobile terminal.
  • the controller 180 In addition to the operation related to the application program, the controller 180 generally controls the overall operation of the mobile terminal 100.
  • the controller 180 may provide or process appropriate information or functions to a user by processing signals, data, information, etc. input or output through the above-described components or by driving an application program stored in the memory 170.
  • the controller 180 may control at least some of the components examined together with FIG. 1A. Furthermore, in order to drive the application program, the controller 180 may operate by combining at least two or more of the components included in the mobile terminal 100 with each other.
  • the power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power to each of the components included in the mobile terminal 100.
  • the power supply unit 190 includes a battery, and the battery may be a built-in battery or a replaceable battery.
  • At least some of the components may operate in cooperation with each other to implement an operation, control, or control method of a mobile terminal according to various embodiments described below.
  • the operation, control, or control method of the mobile terminal may be implemented on the mobile terminal by driving at least one application program stored in the memory 170.
  • the broadcast reception module 111 of the wireless communication unit 110 receives a broadcast signal and/or broadcast-related information from an external broadcast management server through a broadcast channel.
  • the broadcast channel may include a satellite channel and a terrestrial channel.
  • Two or more broadcast receiving modules may be provided to the mobile terminal 100 for simultaneous broadcast reception or broadcast channel switching of at least two broadcast channels.
  • the broadcast management server may mean a server that generates and transmits a broadcast signal and/or broadcast-related information, or a server that receives and transmits a previously-generated broadcast signal and/or broadcast-related information to a terminal.
  • the broadcast signal may include not only a TV broadcast signal, a radio broadcast signal, and a data broadcast signal, but also a broadcast signal in a form in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal.
  • the broadcast signal may be encoded according to at least one of technical standards (or a broadcast method, for example, ISO, IEC, DVB, ATSC, etc.) for transmission and reception of digital broadcast signals, and the broadcast reception module 111
  • the digital broadcast signal can be received using a method suitable for the technical standards set by technical standards.
  • the broadcast related information may mean information related to a broadcast channel, a broadcast program, or a broadcast service provider.
  • the broadcast-related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.
  • the broadcast-related information may exist in various forms, such as an Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB) or an Electronic Service Guide (ESG) of Digital Video Broadcast-Handheld (DVB-H).
  • EPG Electronic Program Guide
  • ESG Electronic Service Guide
  • DMB Digital Multimedia Broadcasting
  • ESG Electronic Service Guide
  • DVD-H Digital Video Broadcast-Handheld
  • the broadcast signal and/or broadcast related information received through the broadcast reception module 111 may be stored in the memory 170.
  • the mobile communication module 112 includes technical standards or communication methods for mobile communication (eg, GSM (Global System for Mobile communication), CDMA (Code Division Multi Access), CDMA2000 (Code Division Multi Access 2000)), EV -DO (Enhanced Voice-Data Optimized or Enhanced Voice-Data Only), WCDMA (Wideband CDMA), HSDPA (High Speed Downlink Packet Access), HSUPA (High Speed Uplink Packet Access), LTE (Long Term Evolution), LTE-A (Long Term Evolution-Advanced), etc.), transmits and receives radio signals with at least one of a base station, an external terminal, and a server on a mobile communication network.
  • GSM Global System for Mobile communication
  • CDMA Code Division Multi Access
  • CDMA2000 Code Division Multi Access 2000
  • EV -DO Enhanced Voice-Data Optimized or Enhanced Voice-Data Only
  • WCDMA Wideband CDMA
  • HSDPA High Speed Downlink Packet Access
  • HSUPA High Speed Uplink Packet Access
  • LTE Long Term
  • the wireless signal may include a voice call signal, a video call signal, or various types of data according to transmission/reception of text/multimedia messages.
  • the wireless Internet module 113 refers to a module for wireless Internet access, and may be built-in or external to the mobile terminal 100.
  • the wireless Internet module 113 is configured to transmit and receive wireless signals in a communication network according to wireless Internet technologies.
  • wireless Internet technologies include WLAN (Wireless LAN), Wi-Fi (Wireless-Fidelity), Wi-Fi (Wireless Fidelity) Direct, DLNA (Digital Living Network Alliance), WiBro (Wireless Broadband), WiMAX (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access), HSUPA (High Speed Uplink Packet Access), LTE (Long Term Evolution), LTE-A (Long Term Evolution-Advanced), etc., and the wireless Internet module ( 113) transmits and receives data according to at least one wireless Internet technology in a range including Internet technologies not listed above.
  • the wireless Internet module 113 performs wireless Internet access through the mobile communication network.
  • the short range communication module 114 is for short range communication, and includes BluetoothTM, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and NFC. Near field communication may be supported by using at least one of (Near Field Communication), Wi-Fi (Wireless-Fidelity), Wi-Fi Direct, and Wireless USB (Wireless Universal Serial Bus) technologies.
  • the short-distance communication module 114 is, between the mobile terminal 100 and a wireless communication system, between the mobile terminal 100 and another mobile terminal 100, or between the mobile terminal 100 through a wireless area network (Wireless Area Networks). ) And a network in which another mobile terminal 100 or an external server is located may support wireless communication.
  • the local area wireless communication network may be a wireless personal area network (Wireless Personal Area Networks).
  • the other mobile terminal 100 is a wearable device capable of exchanging (or interlocking with) data with the mobile terminal 100 according to the present invention, for example, a smartwatch, a smart glasses. (smart glass), HMD (head mounted display)).
  • the short-range communication module 114 may detect (or recognize) a wearable device capable of communicating with the mobile terminal 100 around the mobile terminal 100.
  • the controller 180 transmits at least part of the data processed by the mobile terminal 100 to the short-range communication module ( 114) can be transmitted to the wearable device. Accordingly, a user of the wearable device can use data processed by the mobile terminal 100 through the wearable device.
  • the user when a call is received by the mobile terminal 100, the user performs a phone call through the wearable device, or when a message is received by the mobile terminal 100, the user receives the received call through the wearable device. It is possible to check the message.
  • the location information module 115 is a module for obtaining a location (or current location) of a mobile terminal, and representative examples thereof include a GPS (Global Positioning System) module or a WiFi (Wireless Fidelity) module.
  • a GPS Global Positioning System
  • WiFi Wireless Fidelity
  • the mobile terminal may acquire the location of the mobile terminal based on information of the Wi-Fi module and a wireless access point (AP) that transmits or receives a wireless signal.
  • AP wireless access point
  • the location information module 115 may perform any function among other modules of the wireless communication unit 110 in order to obtain data on the location of the mobile terminal as a substitute or additionally.
  • the location information module 115 is a module used to obtain the location (or current location) of the mobile terminal, and is not limited to a module that directly calculates or obtains the location of the mobile terminal.
  • the input unit 120 is for inputting image information (or signal), audio information (or signal), data, or information input from a user.
  • the mobile terminal 100 Alternatively, a plurality of cameras 121 may be provided.
  • the camera 121 processes an image frame such as a still image or a video obtained by an image sensor in a video call mode or a photographing mode.
  • the processed image frame may be displayed on the display unit 151 or stored in the memory 170.
  • a plurality of cameras 121 provided in the mobile terminal 100 may be arranged to form a matrix structure, and through the camera 121 forming a matrix structure as described above, various angles or focal points are applied to the mobile terminal 100.
  • a plurality of image information may be input.
  • the plurality of cameras 121 may be arranged in a stereo structure to obtain a left image and a right image for implementing a stereoscopic image.
  • the microphone 122 processes an external sound signal into electrical voice data.
  • the processed voice data may be variously utilized according to a function (or an application program being executed) being executed by the mobile terminal 100.
  • the microphone 122 may be implemented with various noise removal algorithms for removing noise generated in a process of receiving an external sound signal.
  • the user input unit 123 is for receiving information from the user, and when information is input through the user input unit 123, the controller 180 can control the operation of the mobile terminal 100 to correspond to the input information.
  • the user input unit 123 is a mechanical (mechanical) input means (or a mechanical key, for example, a button located on the front, rear or side of the mobile terminal 100, a dome switch (dome switch), a jog wheel, Jog switch, etc.) and a touch-type input means.
  • the touch-type input means comprises a virtual key, a soft key, or a visual key displayed on a touch screen through software processing, or a portion other than the touch screen It may be made of a touch key (touch key) disposed on.
  • the virtual key or visual key can be displayed on the touch screen while having various forms, for example, graphic, text, icon, video, or these It can be made of a combination of.
  • the sensing unit 140 senses at least one of information in the mobile terminal, information on a surrounding environment surrounding the mobile terminal, and user information, and generates a sensing signal corresponding thereto.
  • the controller 180 may control the driving or operation of the mobile terminal 100 or perform data processing, functions, or operations related to an application program installed in the mobile terminal 100 based on such a sensing signal. Representative sensors among various sensors that may be included in the sensing unit 140 will be described in more detail.
  • the proximity sensor 141 refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or an object existing in the vicinity using the force of an electromagnetic field or infrared rays without mechanical contact.
  • the proximity sensor 141 may be disposed in an inner area of the mobile terminal surrounded by the touch screen as described above or near the touch screen.
  • the proximity sensor 141 examples include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitive type proximity sensor, a magnetic type proximity sensor, an infrared proximity sensor, and the like.
  • the proximity sensor 141 may be configured to detect the proximity of the object by a change in the electric field according to the proximity of the conductive object. In this case, the touch screen (or touch sensor) itself may be classified as a proximity sensor.
  • proximity touch the action of allowing an object to be recognized as being positioned on the touch screen by being approached without contacting an object on the touch screen
  • contact touch the touch
  • a position at which an object is touched in proximity on the touch screen means a position at which the object is vertically corresponding to the touch screen when the object is touched in proximity.
  • the proximity sensor 141 may detect a proximity touch and a proximity touch pattern (eg, proximity touch distance, proximity touch direction, proximity touch speed, proximity touch time, proximity touch position, proximity touch movement state, etc.). have.
  • the controller 180 processes data (or information) corresponding to the proximity touch operation and the proximity touch pattern sensed through the proximity sensor 141, and further, provides visual information corresponding to the processed data. It can be output on the touch screen. Furthermore, the controller 180 may control the mobile terminal 100 to process different operations or data (or information) according to whether a touch to the same point on the touch screen is a proximity touch or a touch touch. .
  • the touch sensor applies a touch (or touch input) to the touch screen (or display unit 151) using at least one of various touch methods such as a resistive film method, a capacitive method, an infrared method, an ultrasonic method, and a magnetic field method. To detect.
  • various touch methods such as a resistive film method, a capacitive method, an infrared method, an ultrasonic method, and a magnetic field method.
  • the touch sensor may be configured to convert a pressure applied to a specific portion of the touch screen or a change in capacitance generated at a specific portion of the touch screen into an electrical input signal.
  • the touch sensor may be configured to detect a location, an area, a pressure upon touch, a capacitance upon touch, and the like at which a touch object applying a touch on the touch screen is touched on the touch sensor.
  • the touch object is an object that applies a touch to the touch sensor, and may be, for example, a finger, a touch pen, a stylus pen, or a pointer.
  • the touch controller processes the signal(s) and then transmits the corresponding data to the controller 180.
  • the controller 180 can know whether an area of the display unit 151 is touched.
  • the touch controller may be a separate component from the controller 180 or may be the controller 180 itself.
  • the controller 180 may perform different controls or perform the same control according to the type of the touch object by touching the touch screen (or a touch key provided in addition to the touch screen). Whether to perform different controls or to perform the same control according to the type of the touch object may be determined according to an operating state of the mobile terminal 100 or an application program being executed.
  • the touch sensor and the proximity sensor described above are independently or in combination, and a short (or tap) touch, a long touch, a multi touch, and a drag touch on the touch screen. ), flick touch, pinch-in touch, pinch-out touch, swipe touch, hovering touch, etc. You can sense the touch.
  • the ultrasonic sensor may recognize location information of a sensing target by using ultrasonic waves.
  • the controller 180 may calculate the location of the wave generator through information sensed from the optical sensor and the plurality of ultrasonic sensors.
  • the location of the wave generator may be calculated by using a property that the light is much faster than the ultrasonic wave, that is, the time that the light reaches the optical sensor is much faster than the time that the ultrasonic wave reaches the ultrasonic sensor. More specifically, the position of the wave generator may be calculated using a time difference between a time when the ultrasonic wave arrives using light as a reference signal.
  • the camera 121 viewed as the configuration of the input unit 120, includes at least one of a camera sensor (eg, CCD, CMOS, etc.), a photo sensor (or image sensor), and a laser sensor.
  • a camera sensor eg, CCD, CMOS, etc.
  • a photo sensor or image sensor
  • a laser sensor e.g., a laser sensor
  • the camera 121 and the laser sensor may be combined with each other to detect a touch of a sensing target for a 3D stereoscopic image.
  • the photosensor may be stacked on the display device, and the photosensor is configured to scan a motion of a sensing object close to the touch screen. More specifically, the photo sensor scans the contents placed on the photo sensor by mounting a photo diode and a transistor (TR) in a row/column and using an electrical signal that changes according to the amount of light applied to the photo diode. That is, the photosensor calculates the coordinates of the sensing target according to the amount of light change, and through this, the location information of the sensing target may be obtained.
  • TR transistor
  • the display unit 151 displays (outputs) information processed by the mobile terminal 100.
  • the display unit 151 may display execution screen information of an application program driven in the mobile terminal 100, or UI (User Interface) and GUI (Graphic User Interface) information according to such execution screen information. .
  • the display unit 151 may be configured as a three-dimensional display unit that displays a three-dimensional image.
  • a three-dimensional display method such as a stereoscopic method (glasses method), an auto stereoscopic method (no glasses method), and a projection method (holographic method) may be applied to the stereoscopic display unit.
  • the sound output unit 152 may output audio data received from the wireless communication unit 110 or stored in the memory 170 in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like.
  • the sound output unit 152 also outputs sound signals related to functions (eg, a call signal reception sound, a message reception sound, etc.) performed in the mobile terminal 100.
  • the sound output unit 152 may include a receiver, a speaker, and a buzzer.
  • the haptic module 153 generates various tactile effects that a user can feel.
  • a typical example of the tactile effect generated by the haptic module 153 may be vibration.
  • the intensity and pattern of vibrations generated by the haptic module 153 may be controlled by a user's selection or setting of a controller.
  • the haptic module 153 may synthesize and output different vibrations or sequentially output them.
  • the haptic module 153 is used for stimulation such as an arrangement of pins that move vertically with respect to the contact skin surface, blowing force or suction force of air through the injection or inlet, grazing against the skin surface, contact of electrodes, and electrostatic force. It can generate various tactile effects, such as the effect by the effect and the effect by reproducing the feeling of cooling and warming using an endothermic or heat generating element.
  • the haptic module 153 may not only deliver a tactile effect through direct contact, but may also be implemented so that a user can feel the tactile effect through muscle sensations such as a finger or an arm. Two or more haptic modules 153 may be provided depending on the configuration aspect of the mobile terminal 100.
  • the light output unit 154 outputs a signal for notifying the occurrence of an event using light from a light source of the mobile terminal 100.
  • Examples of events occurring in the mobile terminal 100 may include message reception, call signal reception, missed call, alarm, schedule notification, email reception, and information reception through an application.
  • the signal output from the light output unit 154 is implemented as the mobile terminal emits a single color or multiple colors of light to the front or rear.
  • the signal output may be terminated when the mobile terminal detects the user's event confirmation.
  • the interface unit 160 serves as a passage for all external devices connected to the mobile terminal 100.
  • the interface unit 160 receives data from an external device or receives power and transmits it to each component inside the mobile terminal 100, or transmits data inside the mobile terminal 100 to an external device.
  • a wired/wireless headset port for example, a wired/wireless headset port, an external charger port, a wired/wireless data port, a memory card port, a port for connecting a device equipped with an identification module. (port), an audio input/output (I/O) port, a video input/output (I/O) port, an earphone port, and the like may be included in the interface unit 160.
  • the identification module is a chip that stores various types of information for authenticating the right to use the mobile terminal 100, and includes a user identification module (UIM), a subscriber identity module (SIM), and universal user authentication. It may include a module (universal subscriber identity module; USIM).
  • a device equipped with an identification module hereinafter,'identification device' may be manufactured in the form of a smart card. Accordingly, the identification device may be connected to the terminal 100 through the interface unit 160.
  • the interface unit 160 serves as a path through which power from the cradle is supplied to the mobile terminal 100 when the mobile terminal 100 is connected to an external cradle, or is input from the cradle by a user. It may be a path through which various command signals are transmitted to the mobile terminal 100. Various command signals or the power input from the cradle may be operated as signals for recognizing that the mobile terminal 100 is correctly mounted on the cradle.
  • the memory 170 may store a program for the operation of the controller 180 and may temporarily store input/output data (eg, a phone book, a message, a still image, a video, etc.).
  • the memory 170 may store data on vibrations and sounds of various patterns output when a touch input on the touch screen is performed.
  • the memory 170 is a flash memory type, a hard disk type, a solid state disk type, an SDD type, a multimedia card micro type. ), card-type memory (e.g., SD or XD memory), random access memory (RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read (EEPROM) -only memory), programmable read-only memory (PROM), magnetic memory, magnetic disk, and optical disk.
  • card-type memory e.g., SD or XD memory
  • RAM random access memory
  • SRAM static random access memory
  • ROM read-only memory
  • EEPROM electrically erasable programmable read
  • PROM programmable read-only memory
  • magnetic memory magnetic disk, and optical disk.
  • the mobile terminal 100 may be operated in connection with a web storage that performs a storage function of the memory 170 over the Internet.
  • the controller 180 controls an operation related to an application program and, in general, an overall operation of the mobile terminal 100. For example, when the state of the mobile terminal satisfies a set condition, the controller 180 may execute or release a lock state limiting input of a user's control command for applications.
  • the controller 180 performs control and processing related to voice calls, data communication, video calls, etc., or performs pattern recognition processing capable of recognizing handwriting input or drawing input performed on the touch screen as characters and images, respectively. I can. Furthermore, in order to implement various embodiments described below on the mobile terminal 100 according to the present invention, the controller 180 may control any one or a combination of a plurality of components described above.
  • the power supply unit 190 receives external power and internal power under the control of the controller 180 to supply power necessary for the operation of each component.
  • the power supply unit 190 includes a battery, and the battery may be a built-in battery configured to be rechargeable, and may be detachably coupled to a terminal body for charging or the like.
  • the power supply unit 190 may include a connection port, and the connection port may be configured as an example of an interface 160 to which an external charger supplying power for charging a battery is electrically connected.
  • the power supply unit 190 may be configured to charge the battery in a wireless manner without using the connection port.
  • the power supply unit 190 uses at least one of an inductive coupling method based on a magnetic induction phenomenon or a magnetic resonance coupling method based on an electromagnetic resonance phenomenon from an external wireless power transmitter. Power can be delivered.
  • various embodiments may be implemented in a recording medium that can be read by a computer or a similar device using, for example, software, hardware, or a combination thereof.
  • the disclosed mobile terminal 100 includes a bar-shaped terminal body.
  • the present invention is not limited thereto, and may be applied to various structures such as a watch type, a clip type, a glass type, or a folder type in which two or more bodies are relatively movably coupled, a flip type, a slide type, a swing type, and a swivel type. .
  • a specific type of mobile terminal the description of a specific type of mobile terminal may be generally applied to other types of mobile terminals.
  • the terminal body may be understood as a concept referring to the mobile terminal 100 as at least one aggregate.
  • the mobile terminal 100 includes a case (for example, a frame, a housing, a cover, etc.) forming an exterior. As shown, the mobile terminal 100 may include a front case 101 and a rear case 102. Various electronic components are disposed in an inner space formed by the combination of the front case 101 and the rear case 102. At least one middle case may be additionally disposed between the front case 101 and the rear case 102.
  • a case for example, a frame, a housing, a cover, etc.
  • the mobile terminal 100 may include a front case 101 and a rear case 102.
  • Various electronic components are disposed in an inner space formed by the combination of the front case 101 and the rear case 102.
  • At least one middle case may be additionally disposed between the front case 101 and the rear case 102.
  • a display unit 151 is disposed on the front of the terminal body to output information. As illustrated, the window 151a of the display unit 151 may be mounted on the front case 101 to form the front surface of the terminal body together with the front case 101.
  • electronic components may be mounted on the rear case 102 as well.
  • Electronic components that can be mounted on the rear case 102 include a removable battery, an identification module, and a memory card.
  • a rear cover 103 for covering the mounted electronic component may be detachably coupled to the rear case 102. Accordingly, when the rear cover 103 is separated from the rear case 102, the electronic components mounted on the rear case 102 are exposed to the outside.
  • the rear cover 103 when the rear cover 103 is coupled to the rear case 102, a part of the side of the rear case 102 may be exposed. In some cases, when the rear case 102 is combined, the rear case 102 may be completely covered by the rear cover 103. Meanwhile, the rear cover 103 may be provided with an opening for exposing the camera 121b or the sound output unit 152b to the outside.
  • These cases 101, 102, 103 may be formed by injection of synthetic resin or may be formed of a metal such as stainless steel (STS), aluminum (Al), titanium (Ti), or the like.
  • STS stainless steel
  • Al aluminum
  • Ti titanium
  • the mobile terminal 100 may be configured such that one case provides the inner space.
  • a unibody mobile terminal 100 in which synthetic resin or metal is connected from the side to the rear may be implemented.
  • the mobile terminal 100 may include a waterproof unit (not shown) that prevents water from permeating into the terminal body.
  • the waterproof unit is provided between the window 151a and the front case 101, between the front case 101 and the rear case 102, or between the rear case 102 and the rear cover 103, and the combination thereof It may include a waterproof member for sealing the inner space.
  • the mobile terminal 100 includes a display unit 151, first and second sound output units 152a and 152b, a proximity sensor 141, an illuminance sensor 142, a light output unit 154, and first and second sound output units.
  • Cameras 121a and 121b, first and second operation units 123a and 123b, microphone 122, interface unit 160, and the like may be provided.
  • the mobile terminal 100 in which the second sound output unit 152b and the second camera 121b are disposed on the rear surface of will be described as an example.
  • first operation unit 123a may not be provided on the front surface of the terminal body, and the second sound output unit 152b may be provided on the side of the terminal body rather than on the rear surface of the terminal body.
  • the display unit 151 displays (outputs) information processed by the mobile terminal 100.
  • the display unit 151 may display execution screen information of an application program driven in the mobile terminal 100, or UI (User Interface) and GUI (Graphic User Interface) information according to such execution screen information. .
  • the display unit 151 includes a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), and a flexible display. display), a 3D display, and an e-ink display.
  • LCD liquid crystal display
  • TFT LCD thin film transistor-liquid crystal display
  • OLED organic light-emitting diode
  • two or more display units 151 may exist depending on the implementation type of the mobile terminal 100.
  • the mobile terminal 100 may have a plurality of display units spaced apart or integrally disposed on one surface, or may be disposed on different surfaces.
  • the display unit 151 may include a touch sensor that senses a touch on the display unit 151 so as to receive a control command by a touch method. Using this, when a touch is made to the display unit 151, the touch sensor detects the touch, and the controller 180 may be configured to generate a control command corresponding to the touch based on this.
  • Content input by the touch method may be letters or numbers, or menu items that can be indicated or designated in various modes.
  • the touch sensor is configured in the form of a film having a touch pattern and is disposed between the window 151a and a display (not shown) on the rear surface of the window 151a, or a metal wire patterned directly on the rear surface of the window 151a.
  • the touch sensor may be integrally formed with the display.
  • the touch sensor may be disposed on a substrate of the display or may be provided inside the display.
  • the display unit 151 may form a touch screen together with a touch sensor, and in this case, the touch screen may function as a user input unit 123 (see FIG. 1A). In some cases, the touch screen may replace at least some functions of the first manipulation unit 123a.
  • the first sound output unit 152a may be implemented as a receiver that transmits a call sound to the user's ear, and the second sound output unit 152b is a loud speaker that outputs various alarm sounds or multimedia playback sounds. ) Can be implemented.
  • a sound hole for emitting sound generated from the first sound output unit 152a may be formed in the window 151a of the display unit 151.
  • the present invention is not limited thereto, and the sound may be configured to be emitted along an assembly gap between structures (eg, a gap between the window 151a and the front case 101).
  • the externally formed hole for sound output is not visible or hidden, so that the appearance of the mobile terminal 100 may be more simple.
  • the light output unit 154 is configured to output light for notifying when an event occurs. Examples of the event include message reception, call signal reception, missed call, alarm, schedule notification, e-mail reception, and information reception through an application.
  • the controller 180 may control the light output unit 154 to terminate the light output.
  • the first camera 121a processes an image frame of a still image or moving image obtained by an image sensor in a photographing mode or a video call mode.
  • the processed image frame may be displayed on the display unit 151 and may be stored in the memory 170.
  • the first and second manipulation units 123a and 123b are an example of a user input unit 123 that is manipulated to receive a command for controlling the operation of the mobile terminal 100, and may also be collectively referred to as a manipulating portion. have.
  • the first and second operation units 123a and 123b may be employed in any manner as long as the user operates while receiving a tactile feeling such as touch, push, and scroll.
  • the first and second manipulation units 123a and 123b may also be employed in a manner in which the first and second manipulation units 123a and 123b are operated without a user's tactile feeling through proximity touch, hovering touch, or the like.
  • the first manipulation unit 123a is illustrated as being a touch key, but the present invention is not limited thereto.
  • the first operation unit 123a may be a push key (mechanical key) or may be configured as a combination of a touch key and a push key.
  • Contents input by the first and second manipulation units 123a and 123b may be variously set.
  • the first operation unit 123a receives commands such as menu, home key, cancel, search, etc.
  • the second operation unit 123b is output from the first or second sound output units 152a, 152b.
  • Commands such as adjusting the volume of sound and switching to the touch recognition mode of the display unit 151 may be input.
  • a rear input unit (not shown) may be provided on the rear surface of the terminal body.
  • This rear input unit is manipulated to receive a command for controlling the operation of the mobile terminal 100, and input contents may be variously set. For example, commands such as power on/off, start, end, scroll, etc., control the volume of sound output from the first and second sound output units 152a and 152b, and touch recognition mode of the display unit 151 You can receive commands such as conversion of.
  • the rear input unit may be implemented in a form capable of inputting by a touch input, a push input, or a combination thereof.
  • the rear input unit may be disposed to overlap the front display unit 151 in the thickness direction of the terminal body.
  • the rear input unit may be disposed on the rear upper end of the terminal body so that the user can easily manipulate the terminal body using the index finger.
  • the present invention is not necessarily limited thereto, and the position of the rear input unit may be changed.
  • the display unit 151 may be configured with a larger screen.
  • the mobile terminal 100 may be provided with a fingerprint recognition sensor for recognizing a user's fingerprint, and the controller 180 may use fingerprint information detected through the fingerprint recognition sensor as an authentication means.
  • the fingerprint recognition sensor may be embedded in the display unit 151 or the user input unit 123.
  • the microphone 122 is configured to receive a user's voice and other sounds.
  • the microphone 122 may be provided in a plurality of locations and configured to receive stereo sound.
  • the interface unit 160 becomes a path through which the mobile terminal 100 can be connected to an external device.
  • the interface unit 160 is a connection terminal for connection with other devices (eg, earphones, external speakers), a port for short-range communication (eg, an infrared port (IrDA Port), a Bluetooth port (Bluetooth Port), a wireless LAN port, etc.], or at least one of a power supply terminal for supplying power to the mobile terminal 100.
  • the interface unit 160 may be implemented in the form of a socket for accommodating an external card such as a subscriber identification module (SIM) or a user identity module (UIM), or a memory card for storing information.
  • SIM subscriber identification module
  • UIM user identity module
  • a second camera 121b may be disposed on the rear surface of the terminal body.
  • the second camera 121b has a photographing direction substantially opposite to that of the first camera 121a.
  • the second camera 121b may include a plurality of lenses arranged along at least one line.
  • the plurality of lenses may be arranged in a matrix format.
  • Such a camera may be referred to as an'array camera'.
  • an image may be photographed in various ways using a plurality of lenses, and an image of better quality may be obtained.
  • the flash 124 may be disposed adjacent to the second camera 121b.
  • the flash 124 illuminates light toward the subject when photographing the subject with the second camera 121b.
  • a second sound output unit 152b may be additionally disposed on the terminal body.
  • the second sound output unit 152b may implement a stereo function together with the first sound output unit 152a, and may be used to implement a speakerphone mode during a call.
  • At least one antenna for wireless communication may be provided in the terminal body.
  • the antenna may be embedded in the terminal body or may be formed in a case.
  • an antenna forming a part of the broadcast receiving module 111 (refer to FIG. 1A) may be configured to be retractable from the terminal body.
  • the antenna may be formed in a film type and attached to the inner surface of the rear cover 103, or a case including a conductive material may be configured to function as an antenna.
  • the terminal body is provided with a power supply unit 190 (refer to FIG. 1A) for supplying power to the mobile terminal 100.
  • the power supply unit 190 may include a battery 191 that is built into the terminal body or configured to be detachable from the outside of the terminal body.
  • the battery 191 may be configured to receive power through a power cable connected to the interface unit 160.
  • the battery 191 may be configured to enable wireless charging through a wireless charger.
  • the wireless charging may be implemented by a magnetic induction method or a resonance method (magnetic resonance method).
  • the rear cover 103 is coupled to the rear case 102 so as to cover the battery 191 to limit the separation of the battery 191, and to protect the battery 191 from external shock and foreign substances. It is illustrated.
  • the rear cover 103 may be detachably coupled to the rear case 102.
  • An accessory that protects the exterior of the mobile terminal 100 or assists or expands the function of the mobile terminal 100 may be added to the mobile terminal 100.
  • An example of such an accessory may be a cover or a pouch that covers or accommodates at least one surface of the mobile terminal 100.
  • the cover or pouch may be configured to interlock with the display unit 151 to expand functions of the mobile terminal 100.
  • Another example of an accessory may be a touch pen for assisting or extending a touch input to a touch screen.
  • FIG. 2 the mobile terminal 200 shown in FIG. 2 as an example.
  • the mobile terminal 100 according to an embodiment of the present invention may be implemented as the mobile terminal 100 shown in FIGS. 1A to 1C.
  • FIGS. 2 to 17 various embodiments of the present invention will be described later in detail, and supplementary interpretation is possible with reference to the previous FIG. 1.
  • the light field refers to a field for expressing the intensity and direction of light reflected from a subject in a three-dimensional space .
  • Light reflected or generated from an object is defined as going straight through space and entering the human eye, and the three-dimensional space can be composed of numerous light fields.
  • a five-dimensional Plenoptic function may be used. That is, on a specific plane in space, the three-dimensional space coordinates (x, y, z) of a point at which the light rays pass through the plane and the spatial direction angles ( ⁇ , ⁇ ) to which the light rays are directed may be expressed as luminance.
  • the light field can be captured by informationizing the plenoptic function value of light passing through a specific plane as described above. That is, the light field may be obtained by luminance values for each ( ⁇ , ⁇ ) for each of the (x, y, z) coordinates of a certain area.
  • the optical field camera can record luminance values for each ( ⁇ , ⁇ ) for all coordinate values within a certain area.
  • the user can view a 3D image of an object. Since the optical field display can implement an optical field, as the user moves, different types of stereoscopic images can be viewed, and thus, a stereoscopic image with a sense of reality compared to a conventional stereo method or a multi-view type stereoscopic image display device. You can watch.
  • FIG. 2 is a block diagram of a mobile terminal 200 according to an embodiment of the present invention.
  • the mobile terminal 200 includes a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistants (PDA), a portable multimedia player (PMP), a navigation system, and a slate PC.
  • PDA personal digital assistants
  • PMP portable multimedia player
  • PC slate PC
  • tablet PC ultrabook
  • wearable device e.g., smartwatch, smart glass, head mounted display (HMD), etc.
  • HMD head mounted display
  • the mobile terminal 200 includes a communication unit 210, an input unit 220, an output unit 250, a memory 270, a control unit 280, and a power supply unit 290.
  • the communication unit 210 performs wired or wireless communication between the mobile terminal 200 and a wireless communication system, between the mobile terminal 200 and another mobile terminal, or between the mobile terminal 200 and an external server.
  • the input unit 220 includes a camera that acquires image information including information related to the intensity and direction of light reflected from the subject in the 3D space.
  • the input unit 220 may divide the light passing through the main lens into a plurality of divided image information, and obtain input image data including the plurality of divided image information.
  • the camera may be a light field camera.
  • the optical field camera is a camera that captures 4D optical field information on a scene using a micro lens array.
  • the optical field camera will be described in detail in FIG. 5.
  • the output unit 250 includes a display that displays a 3D image based on the image information acquired from the input unit 220.
  • the display may be a light field display.
  • the optical field display refers to a display in which different image information is input to both eyes of a viewer by arranging a micro lens array on a display panel including an RGB pixel array.
  • the display panel may be a plasma display panel, a liquid crystal display panel, or an organic light emitting display panel.
  • the optical field display may include a micro lens array composed of an active lens to display a 2D or 3D image in a switchable manner.
  • the optical field display will be described in detail in FIG. 6.
  • the memory 270 stores data for input or output of a 3D image.
  • the memory 270 may be a RAM (RAM), a solid state drive (SSD), or a Trans-flash that can be temporarily or permanently stored.
  • the power supply unit 290 supplies power to each of the components included in the mobile terminal 200 by receiving external or internal power.
  • the power supply may include a battery and a power management integrated circuit (PMIC).
  • PMIC power management integrated circuit
  • the control unit 280 controls at least one of the communication unit 210, the input unit 220, the output unit 250, the memory 270, and the power supply unit 290.
  • the controller 280 may be configured with an application processor (AP), a central processing unit (CPU), a graphics processing unit (GPU), or an application specific integrated circuit (ASIC) for processing 3D image information.
  • AP application processor
  • CPU central processing unit
  • GPU graphics processing unit
  • ASIC application specific integrated circuit
  • the control unit 280 processes the image information acquired through the input unit 220 and outputs the processed image information to the output unit 250. Specifically, the controller 280 may control the input unit 220 to obtain input image data including information on a plurality of divided images through a micro lens array. Also, the controller 280 may rearrange the divided image information included in the acquired input image data to generate output image data for a 3D image. Further, the controller 280 may control the output unit 250 to display an output image based on the output image data.
  • the controller 280 may acquire image information including 3D spatial information through an optical field camera to construct a still image in which 3D spatial information is fused, or record a video in which 3D spatial information is fused in a memory. .
  • the controller 280 may photograph a specific subject from various angles through an optical field camera, and may 3D model the subject as if using a 3D scanner.
  • the control unit 280 may support an XR (eXtended Reality) environment and execute or produce an application or content based on XR technology.
  • control unit 280 may be omitted as necessary, or some configurations may be added with reference to FIGS. 1A to 1C.
  • optical field camera and the optical field display may be provided in the first mobile terminal 200 and the second mobile terminal 200, respectively, to constitute a single photographing and imaging system.
  • the operation of the controller 280 in FIGS. 3 to 8 will be described in detail.
  • FIG. 3 is a diagram illustrating a method of controlling a mobile terminal according to an embodiment of the present invention. The following control method is performed by the control unit 280.
  • the light that has passed through the main lens by the first micro lens array is divided into a plurality of divided image information (S201).
  • the plurality of divided image information may be a micro image corresponding to each micro lens of the first micro lens array.
  • the input image data including the information of the plurality of divided images is acquired by the image sensor (S202).
  • ISP Image Signal Processing
  • the plurality of divided image information is rearranged (S204).
  • the rearrangement may be performed by Pseudoscopic Correction based on matrix coordinates of each divided image information.
  • Output image data is generated based on the rearranged plurality of divided image information (S205).
  • the output image is displayed on the display panel (S206).
  • the output image may be an elemental image generated based on the output image data and projected through the micro lens array of the optical field display.
  • the output image is converted into a 3D image using the second microlens array (S207).
  • control unit 280 in FIGS. 4 to 8 will be described in detail.
  • FIG. 4 is a view showing a tablet PC according to an embodiment of the present invention.
  • the mobile terminal 200 can be implemented as a tablet (tablet) PC.
  • the tablet PC may be provided with an optical field camera 221 and an optical field display 251 on the front side.
  • the positions of the optical field camera 221 and the optical field display 251 are not limited to the embodiment of FIG. 4.
  • a standardized optical field image obtained from various types of cameras such as a micro lens-based optical field camera 221 and a multi/depth camera, can be commonly used in various types of optical field displays 251.
  • the video format did not exist. Accordingly, there is a problem in that the process of processing and outputting optical field data is slow and inconvenient as it has to undergo a complex 3D modeling process or a conversion process through a separately provided high-performance device.
  • the mobile terminal 200 according to the present invention has the same configuration as the lens array and pixel array of the optical field camera 221 and the optical field display 251, such as a tablet PC. It is possible to quickly realize the captured image information into a 3D image through simple correction in one device. That is, the mobile terminal 200 according to the present invention has the advantage of minimizing the processing load of the system so that the object photographed by the user can be quickly checked in one device.
  • optical field camera 221 and the optical field display 251 according to the present invention will be described in detail with reference to FIGS. 5 and 6.
  • FIGS. 5 and 6 are conceptual diagrams of an optical field camera 221 according to an embodiment of the present invention.
  • 6 is a conceptual diagram of an optical field display 251 according to an embodiment of the present invention.
  • a micro lens and a pixel array according to an exemplary embodiment will be described with reference to FIGS. 5 and 6.
  • the optical field camera 221 may record optical field data.
  • the optical field camera 221 includes a main lens 2212, a micro lens array 2214, and an image sensor 2215.
  • the optical field camera according to the present invention may be implemented as a plenoptic camera.
  • the optical field camera may be implemented as a multi-array camera including a lens array and a single image sensor.
  • a planic camera will be described.
  • the main lens 2212 creates an image 2213 of the object 2211.
  • the micro lens array 2214 divides the light passing through the main lens 2212 into a plurality of divided image information. Light rays passing through the micro lens array 2214 are separated based on the directions of the light rays and directed to the image sensor 2215.
  • the micro lens array 2214 includes a plurality of micro lenses arranged in two dimensions. For example, the micro lens array 2214 may be arranged in a matrix form in an arbitrary first direction and a second direction perpendicular to the first direction.
  • the image sensor 2215 acquires input image data including information on the plurality of divided images through the first micro lens array 2214.
  • the image sensor 2215 includes a pixel array 2215a in which a plurality of pixels are arranged in two dimensions.
  • the pixel array 2215a may include a unit pixel array 2215b corresponding to one microlens of the first microlens array 2214.
  • the unit pixel array 2215b may be configured in the form of a KxK matrix.
  • the arrangement of the micro lenses of the micro lens array 2214, the arrangement of the pixel array 2215a of the image sensor 2215, and the relative positional relationship between them may be variously implemented.
  • the light field display 251 outputs light field data to realize a 3D image.
  • the optical field display 251 may include a micro lens array composed of an active lens to display a 2D or 3D image in a switchable manner.
  • the light field display 251 includes a micro lens array 2511 and a display panel 2512.
  • the micro lens array 2511 is disposed on the display panel 2512 and converts an output image output to the display panel 2512 into a 3D image.
  • the micro lens array 2511 may include a plurality of micro lenses arranged in two dimensions.
  • the micro lens array 2511 may be arranged in a matrix form in an arbitrary first direction and a second direction perpendicular to the first direction.
  • the display panel 2512 displays an output image.
  • the output image may be an element image.
  • the display panel 2512 includes a pixel array 2512a in which a plurality of pixels are arranged in two dimensions.
  • the pixel array 2512a may include a unit pixel array 2512b corresponding to one microlens of the second microlens array 2511.
  • the unit pixel array 2512b may be configured in the form of an LxL matrix.
  • the arrangement of the pixel array 2512a of the display panel 2512 for forming the optical field, the arrangement of the microlenses of the microlens array 2511, and the relative positional relationship between them may be variously implemented.
  • the microlens array 2214 of the optical field camera 221 is referred to as a first microlens array
  • the microlens array 2511 of the optical field display 251 is referred to as a second microlens array.
  • one microlens of the first microlens array 2214 is referred to as a first microlens
  • one microlens of the second microlens array 2511 is referred to as a second microlens.
  • the unit pixel array 2215b of the image sensor 2215 corresponding to the first microlens is a first pixel array 2215b
  • the unit pixel array 2512b of the display panel 2512 corresponding to the second microlens Is referred to as a second pixel array 2512b.
  • the first and second micro lens arrays 2214 and 2511 may have the same arrangement.
  • the first and second micro lens arrays 2214 and 2511 may have an NxM matrix arrangement.
  • first and second pixel arrays 2215b and 2512b may have the same arrangement.
  • first and second pixel arrays 2215b and 2512b may have the same K x K matrix form.
  • the mobile terminal 200 according to the present invention is configured in the same manner so that the step of acquiring optical field data and the step of reproducing a 3D image have an inverse relationship with each other. This is to simplify the process of converting and processing optical field data to quickly realize a 3D image and to reduce the load on the system. That is, the mobile terminal 200 according to the present invention has an advantage that a 3D modeling process or a complicated calculation process can be omitted, and a high system specification or a separate device is not required for this.
  • the first and second micro lens arrays 2214 and 2511 and the first and second pixel arrays 2215b and 2512b according to the present invention are not limited to the above embodiments, and include all possible forms and arrays. Detailed configurations of the micro lens array and the pixel array will be described below with reference to FIG. 8.
  • FIG. 7 is a diagram illustrating an image processing process of a mobile terminal according to an embodiment of the present invention.
  • the controller 280 senses the light beam of an object passing through the microlens array 2214 of the optical field camera 221 by the image sensor 2215 to obtain input image data 2215a.
  • the input image data 2215c may include information on a plurality of divided images corresponding to each microlens of the microlens array 2214.
  • the input image data 2215c may be obtained as image data in a RAW format.
  • a camera using a conventional single lens acquires one input image data 2214a corresponding to the image 2213 of the object 2211 formed by the main lens 2212 through an image sensor, but the micro lens array 2214
  • the optical field camera 221 using acquires input image data 2215c including divided image information corresponding to a plurality of microlenses through the image sensor 2215.
  • the divided image information may be a micro-image formed by each micro lens and captured.
  • the controller 280 may obtain divided image information including image information partially overlapping with adjacent divided image information. That is, the divided image information corresponding to one microlens may include part of the divided image information corresponding to the neighboring microlenses. This is to prevent a phenomenon in which a 3D image is segmented when a 3D image is deviated from a predetermined viewing angle when realizing a 3D image on the light field display 251.
  • the controller 280 performs an image signal processing (ISP) 281 based on the acquired input image data 2215c.
  • the ISP 281 is a process of processing the input image data 2215c as a whole to generate the processed input image data 281a.
  • the ISP 281 corrects a defect occurring due to an optical system such as a lens or a defect occurring due to a deviation of the image sensor 2215.
  • the processed input image data 281a may be image data in RGB format.
  • the control unit 280 rearranges the divided image information based on the processed input image data 281a. Specifically, the controller 280 performs a pseudoscopic correction 282 based on the matrix coordinates of each divided image information. A detailed process of the inversion correction 282 will be described in detail with reference to FIG. 8 below.
  • the control unit 280 generates output image data 282a.
  • the controller 280 controls the light field display 251 to display an output image on the display panel 2512 based on the generated output image data 282a.
  • the output image may be an elemental image projected through the micro lens array 2511 of the light field display 251 after inversion correction 282.
  • the output image is integrated and reproduced in a 3D space through the microlens array 2511 of the optical field display 251, it is shown to the viewer 10 as a stereoscopic image 251a.
  • FIG. 8 is a diagram illustrating micro lens arrays 2214 and 2511 and pixel arrays 2215a and 2512a and according to an embodiment of the present invention.
  • 8A is a diagram illustrating first and second micro lens arrays 2214 and 2511 and the first and second pixel arrays 2215b and 2512b.
  • 8B is a diagram illustrating a unit pixel array corresponding to one micro lens.
  • the first micro lens array 2214 of the optical field camera 221 and the second micro lens array 2511 of the optical field display 251 have the same arrangement.
  • a plurality of microlenses may be arranged in a matrix form of N x M in a first direction and a second direction crossing the first direction.
  • the second direction may be a direction perpendicular to the first direction.
  • Each microlens of the first and second microlens arrays 2214 and 2511 has a coordinate of (i,j).
  • i is greater than or equal to -(n-1)/2 and less than or equal to (n-1)/2
  • j is greater than or equal to -(m-1)/2 and (m-1) Less than or equal to /2.
  • the coordinates of the microlenses located at the centers of the first and second microlens arrays 2214 and 2511 are (0,0).
  • the coordinates of the micro lens located at the top left corner are And the coordinates of the micro lens located at the bottom right Can be.
  • Split image information of may also be expressed in the same coordinates.
  • the first and second pixel arrays 2215b and 2512b may be configured in the same K x K matrix form.
  • K may be an odd number excluding 1. This is to reduce garbage data and make calculations easier in consideration of the window size used in the ISP's color interpolation process.
  • inverse correction (282) is performed on the divided image information of the pixel arrays 2215 and 2512 corresponding to the (i, j)-th microlens of the input image data 281a (-i,- It is a correction interchangeable with the divided image information of the pixel arrays 2215 and 2512 corresponding to j).
  • the controller 280 obtains the output image data 282a by performing an inversion correction 282 on the input image data 281a that has passed through the ISP 281. Specifically, the control unit transfers the divided image information of the input image data 281a obtained from the first pixel array 2215b of (i,j) coordinates to the second pixel array 2512b of (-i, -j) coordinates. Arranged to generate output image data 282a.
  • the inversion correction 282 may be implemented with the following algorithm.
  • the present invention rearranges the divided image information of specific coordinates of the input image data obtained from the camera into the divided image information of the specific coordinates of the output image data and outputs the obtained 3D Video information can be easily and quickly output.
  • the present invention includes a camera and a display including a microlens array and a pixel array arranged in the same form, thereby reducing a processing load of a device, thereby rapidly realizing a 3D image.
  • the method for controlling a mobile terminal of the present invention can be implemented as a code that can be read by a processor in a recording medium that can be read by a processor provided in an image display device.
  • the processor-readable recording medium includes all types of recording devices that store data that can be read by the processor. Examples of recording media that can be read by the processor include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, etc., and also include those implemented in the form of carrier waves such as transmission through the Internet. .
  • the recording medium readable by the processor may be distributed over a computer system connected through a network, so that code readable by the processor may be stored and executed in a distributed manner.

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  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)

Abstract

La présente invention concerne un terminal mobile et son procédé de commande, plus précisément un terminal mobile pourvu d'une caméra et d'un affichage, ainsi que son procédé de commande. Des informations d'images acquises par l'intermédiaire de la caméra, qui contient un premier réseau de microlentilles, sont réorganisées et affichées sur l'affichage, qui contient un second réseau de microlentilles, de façon à acquérir et à sortir facilement des informations d'images tridimensionnelles.
PCT/KR2019/006856 2019-06-07 2019-06-07 Terminal mobile et son procédé de commande Ceased WO2020246642A1 (fr)

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PCT/KR2019/006856 WO2020246642A1 (fr) 2019-06-07 2019-06-07 Terminal mobile et son procédé de commande

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PCT/KR2019/006856 WO2020246642A1 (fr) 2019-06-07 2019-06-07 Terminal mobile et son procédé de commande

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013081087A (ja) * 2011-10-04 2013-05-02 Sony Corp 撮像装置
US20140300709A1 (en) * 2011-10-20 2014-10-09 Seereal Technologies S.A. Display device and method for representing a three-dimensional scene
KR20150023574A (ko) * 2012-06-01 2015-03-05 오스텐도 테크놀로지스 인코포레이티드 공간-시간 광 필드 카메라
KR20150074459A (ko) * 2013-12-24 2015-07-02 삼성전자주식회사 사용자단말기 및 사용자단말기의 제어방법
KR20160009487A (ko) * 2014-07-16 2016-01-26 삼성전자주식회사 3d 영상 디스플레이 장치 및 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013081087A (ja) * 2011-10-04 2013-05-02 Sony Corp 撮像装置
US20140300709A1 (en) * 2011-10-20 2014-10-09 Seereal Technologies S.A. Display device and method for representing a three-dimensional scene
KR20150023574A (ko) * 2012-06-01 2015-03-05 오스텐도 테크놀로지스 인코포레이티드 공간-시간 광 필드 카메라
KR20150074459A (ko) * 2013-12-24 2015-07-02 삼성전자주식회사 사용자단말기 및 사용자단말기의 제어방법
KR20160009487A (ko) * 2014-07-16 2016-01-26 삼성전자주식회사 3d 영상 디스플레이 장치 및 방법

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