CN108819895A - A kind of vehicle-mounted panoramic image system - Google Patents

Abstract

The invention discloses a vehicle-mounted panoramic image system. The system includes: a camera module, used for shooting images in the blind area of the A-pillar of the vehicle through a camera device; Processing and synthesis to generate A-pillar blind area image data; a turn signal detection module, used to detect the turn signal of the vehicle; a display control module, used to control the image switching of the vehicle-mounted panoramic image system according to the turn signal detection result; a display module, used for The processed and synthesized A-pillar blind zone image is displayed on the monitor in real time. The vehicle-mounted panoramic image system and its implementation method provided by the present invention solve the problem of the A-pillar blind zone when the car is turning at a low speed and the problem of quick start of the system, and improve the performance of the panoramic image system and driving safety.

Description

A vehicle-mounted panoramic imaging system

technical field

The invention relates to the field of vehicles, in particular to a vehicle-mounted panoramic image system.

Background technique

In the prior art, although most vehicles have been equipped with reversing radars, children, stones, big pits, etc. behind the car cannot be recognized by the reversing radars, which can easily cause accidents. Moreover, the panoramic image system configured by most OEMs needs to be controlled and activated through the buttons on the air-conditioning panel or the auxiliary instrument switch group, which makes it inconvenient to enter the panoramic image system, especially the hidden danger caused by the A-pillar blind spot when turning at low speed. solve. The A-pillar blind area refers to the blind area of vision during driving. Generally, there are three columns on each side of the car body, and the oblique columns on both sides of the front windshield are called A-pillars. The field of vision will be partially blocked by the A-pillar, resulting in a blind spot in the field of vision.

In the prior art, most vehicle-mounted panoramic image systems only have a 2D mode, which can only display flat panoramic images, which is not intuitive enough and has blind spots in the field of vision. Aiming at the problems existing in the prior art, it is not convenient to enter the panoramic image system, the driving hidden danger caused by the A-pillar blind area when turning at low speed, and the blind area of the driver's vision cannot be effectively reduced. The present invention proposes a panoramic image system that can start quickly, which can effectively solve the problem of the blind area of vision blocked by the A-pillar, avoid bumping into obstacles such as fences, low stone piers or children in the blind area of the A-pillar, and reduce the driver's field of vision Blind spots, improve driving safety, and also solve the problem of quick start of the car panoramic system.

Contents of the invention

The technical problem to be solved by the present invention is the quick startup of the vehicle-mounted image system and the problem of A-pillar blind spots.

The present invention is specifically realized by the following technical scheme: a vehicle-mounted panoramic image system, the vehicle-mounted panoramic image system comprising:

The camera module is used to shoot images in the A-pillar blind area of the vehicle through the camera device. The image in the blind area of the side A-pillar; further, the camera device can be a wide-angle camera, and there are four wide-angle cameras, which are respectively arranged on the four sides of the vehicle, facing the four directions of the front, rear, left, and right of the vehicle;

An image processing module, configured to process and synthesize the image data captured by the camera module to generate A-pillar blind area image data; the A-pillar blind area image data includes left A-pillar blind area image data and right A-pillar blind area image data;

The A-pillar blind spot image data includes a 3D view, and the 3D view further includes: a 3D rear view, a right-turning 3D view, and a left-turning 3D view, the right-turning 3D view is an image of the right A-pillar blind spot, and the left-turning 3D view is an image of the right A-pillar blind spot. The 3D view is the blind spot image of the left A-pillar; the 3D view is used to display the blind spot image in real time when the vehicle is in motion;

The A-pillar blind spot image data also includes a 2D view, and the 2D view further includes: a front view, a rear view, a left view, a right view, and a 2D panorama, and the right view is an image of the right A-pillar blind spot, The left side view is an image of the blind area of the left A-pillar;

The turn signal detection module is used to detect the turn signal of the vehicle, and the turn signal includes: one or more of a turn signal turn signal, a steering wheel rotation signal, and a vehicle front wheel turn signal;

The display control module is used to control the image switching of the vehicle-mounted panoramic image system according to the detection result of the steering signal; when the steering signal is a right turn signal of the vehicle, the display module displays the image of the blind area of the right A column; when the steering signal is a left turn signal of the vehicle , the display module displays the left A-pillar blind spot image;

The display module is used to display the processed A-pillar blind zone image in real time on the display; specifically, the display area of the display is divided into a first area and a second area, and the first area is used to display the front view, rear view, and rear view. view, a left view or a right view, the second area is used to display a 2D panorama or a 3D view;

Specifically, the display is a display with a touch screen function, and when the second area displays a 2D panorama, the second area is further divided into a third area, a fourth area, a fifth area and a sixth area, Click the third area, the fourth area, the fifth area and the sixth area to switch the display content of the first area to four views of front, back, left and right respectively;

When the turn signal detection module detects a turn signal, the display of the display module can also display the left A-pillar blind area image and the right A-pillar blind area image at the same time, specifically, the first area can display the left A-pillar Blind spot image, the second area displays the blind spot image of the right A-pillar;

Further, the vehicle-mounted panoramic image system also includes a vehicle speed detection unit and a gear detection unit, the vehicle speed detection unit is used to detect the current driving speed of the vehicle, and the gear detection unit is used to detect the current gear of the vehicle; the display The triggering methods of the module include: triggering through the detection results of the vehicle speed detection unit, gear detection unit, and turn signal detection module and triggering through buttons;

Further, the vehicle-mounted panoramic image system also includes a memory for storing video files, and the memory is Flash, DDR or SD card;

Further, the display control module is also used to control image switching through buttons, and the buttons include physical hard buttons or soft buttons on the display.

Adopt above-mentioned technical scheme, a kind of vehicle-mounted panoramic video system described in the present invention has following

Beneficial effect:

1) A vehicle-mounted panoramic image system provided by the present invention uses a swing steering switch as a trigger source, and can enter the 3D mode of the panoramic image system more conveniently and quickly;

2) A vehicle-mounted panoramic image system provided by the present invention has improved the turn signal detection module, which makes the starting operation more convenient and the response speed faster;

3) A vehicle-mounted panoramic image system provided by the present invention solves the problem of A-pillar blind spots when the car is turning at low speed, improves the performance of the vehicle-mounted panoramic image system, and ensures driving safety.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a schematic diagram of the module structure of a vehicle-mounted panoramic image system provided by an embodiment of the present invention;

FIG. 2 is a schematic diagram of each component unit of a camera module of a vehicle-mounted panoramic image system provided by an embodiment of the present invention;

3 is a schematic diagram of components of an image processing module of a vehicle-mounted panoramic imaging system provided by an embodiment of the present invention;

Fig. 4 is a schematic diagram of connection of components of a vehicle-mounted panoramic image system provided by an embodiment of the present invention;

FIG. 5 is a schematic diagram of area division of a display provided by an embodiment of the present invention;

FIG. 6 is a schematic diagram of division of a second area of a display provided by an embodiment of the present invention;

7 is a schematic diagram of a 2D working mode of a vehicle-mounted panoramic image system provided by an embodiment of the present invention;

8 is a schematic diagram of a 3D working mode of a vehicle-mounted panoramic image system provided by an embodiment of the present invention;

FIG. 9 is various views in 2D mode of a vehicle-mounted panoramic image system provided by an embodiment of the present invention;

FIG. 10 is various views of a 3D mode of a vehicle-mounted panoramic image system provided by an embodiment of the present invention;

FIG. 11 is a flowchart of a method for implementing a vehicle-mounted panoramic image system provided by an embodiment of the present invention;

FIG. 12 is a schematic flowchart of an image processing method provided by an embodiment of the present invention.

The accompanying drawings are supplemented as follows:

100-camera module; 200-image processing module; 300-turn signal detection module; 400-display control module; 500-display module; 101-left A-pillar blind zone camera unit; 102-right A-pillar blind zone camera unit; - decoding unit; 202 - encoding unit; 203 - image processing unit; 601 - vehicle speed detection unit; 602 - gear detection unit.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

An embodiment of the present invention provides a vehicle-mounted panoramic image system, as shown in Figure 1-8, the system includes:

The camera module 100 is used to capture images in the A-pillar blind area of the vehicle through the camera device, and the camera module includes a left A-pillar blind area camera unit 101 and a right A-pillar blind area camera unit 102, which are respectively used to photograph the left A-pillar blind area. Image in the blind zone and the right A-pillar blind zone. The camera device may be a wide-angle camera, and there are four wide-angle cameras, which are respectively arranged on the four sides of the vehicle, facing the front, rear, left, and right directions of the vehicle respectively.

The image processing module 200 is used to process and synthesize the image data captured by the camera module to generate A-pillar blind area image data; the A-pillar blind area image data includes left A-pillar blind area image data and right A-pillar blind area image data .

The A-pillar blind spot image data includes a 3D view, and the 3D view further includes: a 3D rear view, a right-turning 3D view, and a left-turning 3D view, the right-turning 3D view is an image of the right A-pillar blind spot, and the left-turning 3D view is an image of the right A-pillar blind spot. The 3D view is the blind spot image of the left A-pillar; the 3D view is used to display the blind spot image in real time when the vehicle is in motion.

The A-pillar blind spot image data also includes a 2D view, and the 2D view further includes: a front view, a rear view, a left view, a right view, and a 2D panorama, and the right view is an image of the right A-pillar blind spot, The left view is an image of the left A-pillar blind area.

The image processing module 200 includes a decoding unit 201 , a coding unit 202 and an image processing unit 203 . The decoding unit 201 may be a decoder, the encoding unit 202 may be an encoder, and the image processing unit 203 may be an image processor, and may adopt an MB86R11 chip or an MB86R13 chip.

The MB86R11 chip is also called "Emerald_L", and the chip processes the received image and video information. The MB86R11 chip integrates a high-speed 2D/3D graphics engine, an image enhancement circuit, four video input ports and three output display display control modules. The high-speed 2D/3D graphics engine is used to synthesize and process the received image data, and the video input port is used to input the image data captured by the camera device for transmission.

The camera device can transmit the image data in CVBS format to the decoder and encoder, and after processing, the encoder and decoder transmit the image data to the MB86R11 chip in BT-656 signal. The MB86R11 chip then processes and synthesizes the received image data.

The camera device can also transmit the image data to the decoder and encoder in LVDS format, and after processing, the encoder and decoder transmit the image data to the MB86R13 chip in RGB888 signal. The MB86R13 chip then processes and synthesizes the received image data.

The turn signal detection module 300 is configured to detect the turn signal of the vehicle, and the turn signal includes: one or more of a turn light turn signal, a steering wheel rotation signal, and a vehicle front wheel turn signal.

The display control module 400 is configured to control the image switching of the vehicle-mounted panoramic image system according to the detection result of the turn signal. The display control module 400 may be an MCU. When the turn signal is a right turn signal of the vehicle, the display module 500 displays the blind spot image of the right A-pillar; when the turn signal is a left turn signal of the vehicle, the display module 500 displays the blind spot image of the left A-pillar.

The display module 500 is used to display the processed and synthesized A-pillar blind spot image on the display in real time, so as to remind the driver in time. Specifically, the display area of the display is divided into a first area and a second area, the first area is used to display a front view, a rear view, a left view or a right view, and the second area is used to display a 2D Panorama or 3D view. The 3D view is used to display blind spot images in real time when the vehicle is in motion.

Specifically, the display is a display with a touch screen function, and when the second area displays a 2D panorama, the second area is further divided into a third area, a fourth area, a fifth area and a sixth area, Clicking on the third area, the fourth area, the fifth area and the sixth area can respectively switch the display content of the first area to four views of front, back, left and right.

That is to say, click the third area, the first area of the display shows the front view; click the fourth area, the first area of the display shows the rear view; click the fifth area, the first area of the display shows the left Side view; click on the sixth area, the first area of the display shows the right side view. The displayed content can also be switched through a key or a display screen, and the key is a physical hard key or a soft key on the display.

When the turn signal detection module 300 detects a turn signal, the display of the display module 500 can also display the left A-pillar blind area image and the right A-pillar blind area image at the same time, specifically, the first area can display the left A-pillar blind area image. A-pillar blind zone image, the second area displays the right A-pillar blind zone image.

The vehicle-mounted panoramic image system also includes a memory for storing video files, and the memory is Flash, DDR or SD card. A general video folder, an emergency video folder and a gallery are set in the memory, and the files in the general video folder can be automatically cyclically covered, but the files in the emergency video folder and the gallery cannot be automatically cyclically covered.

The vehicle-mounted panoramic system also includes a power supply module, which supplies power to the vehicle-mounted panoramic system. The power supply module, the display control module 400, the image processing module 200 and the memory are integrated on a circuit board, and the circuit board is also connected to the automobile ECU through a CAN line.

Since the panoramic image system uses a wide-angle lens, the captured image will be distorted, so the vehicle-mounted panoramic image system also includes a correction device, which is connected to the output end of the MB86R11 chip through a CAN line, and the processed The image data is output in CVBS format. The correction device uses a traditional correction method to correct the distortion of the image, so that the distortion of the panoramic image is reduced.

The vehicle-mounted panoramic image system includes a 2D mode and a 3D mode, and the 2D mode display content includes: front view+2D panorama, rear view+2D panorama, left side view+2D panorama, right side view+2D panorama; the 3D Mode display content includes: front view + 3D panoramic rear view, front view + left-turning 3D view, front view + right-turning 3D view. The 2D panorama, the 3D panorama rear view, the left-turned 3D view and the right-turned 3D view are all processed and synthesized by the image processing module.

In 2D mode, the first area displays a front view, a rear view, a left view or a right view, and the second area displays a 2D panorama; in a 3D mode, the first area displays a front view, and the second area displays a front view. The second area displays a 3D panoramic rear view, a left-turned 3D view, or a right-turned 3D view. The area ratio of the first region to the second region is about 3:2, and the areas of the first region and the second region may also be distributed in other ways. It should be noted that this is only a division method of the display screen partition, and other division methods are also within the protection scope of the present invention.

In 2D mode, the 2D panorama can be divided into the third area, the fourth area, the fifth area and the sixth area. Clicking on the four areas in the 2D panorama can be used as one of the switching signals for the area view . The third area, the fourth area, the fifth area and the sixth area can respectively represent the front, rear, left, and right areas of the vehicle. Clicking on these four areas can enter the front view, rear view, and left view respectively. and right view.

The vehicle-mounted panoramic image system also includes a steering linkage switch for participating in the conversion between 2D mode and 3D mode. When the steering linkage switch is turned on, the triggering of the 3D mode of the vehicle-mounted panoramic imaging system can be completed through the cooperation of the vehicle speed detection unit 601 , the gear detection unit 602 and the turn signal detection module 300 . The vehicle speed detection unit 601 is used to detect the current driving speed of the vehicle, the gear detection unit 602 is used to detect the current gear of the vehicle, and the turn signal detection module 300 is used to detect the vehicle turn signal. When the steering linkage switch is not turned on, the conversion between the 2D mode and the 3D mode of the vehicle-mounted panoramic image system can also be completed through the cooperation of the vehicle speed detection unit 601, the gear detection unit 602 and the switch soft key.

The power supply of the vehicle-mounted panoramic image system is connected to the vehicle's constant power BAT+, and is generally in a sleep state, that is, a standby state. After the vehicle is started, the ACC signal is detected, the system starts and performs SD card fault detection. After detecting that the SD card is fault-free, the vehicle-mounted panoramic image system starts the camera device and enters general video recording. The files recorded by general video recording are stored in the general video folder in the SD card, and the files in this folder can be automatically cyclically covered.

If the vehicle-mounted panoramic image system receives an emergency recording button signal, a collision signal or a gravity sensing signal, it will start the emergency recording function and save the files 15 seconds before and 15 seconds after the emergency recording is triggered in the emergency recording folder of the SD card. The files in the recording folder will not be overwritten or deleted automatically, but can be deleted manually or formatted on the SD card.

If the vehicle-mounted panoramic image system receives the camera button signal, the system starts the camera function and stores the pictures in the SD card gallery. The pictures in the gallery will not be automatically overwritten or deleted, but can be deleted manually or formatted on the SD card.

If the vehicle-mounted panoramic image system receives the recording button signal in the navigation, the system starts the recording function. If you need to play back the video, you can enter the folder where the video data is located, and click the video file or picture to play it. The display of the vehicle-mounted panoramic image system is also provided with a menu. Entering the menu, you can check the software version and software version update, restore factory settings, SD card formatting, parking monitoring, gravity sensing, recording time, resolution and other settings. The parking monitoring described above can be switched off or on.

In a feasible embodiment of the present invention, a 2D working mode of the vehicle-mounted panoramic image system is provided. Specifically, as shown in FIG. 9 , the 2D working mode of the vehicle-mounted panoramic image system is as follows:

The vehicle-mounted panoramic image system is in a standby state before being turned on. When the vehicle speed detection unit 601 detects that the current speed of the vehicle is lower than the first speed, and the first speed is Vkm/h, the gear detection unit 602 detects that the vehicle When the front gear is not in the R gear, and the hard button switch of the vehicle-mounted panoramic image system is pressed, the vehicle-mounted panoramic image system enters the forward-looking state. If the gear of the vehicle is in the R gear, the vehicle-mounted panoramic image system enters a rear-view state.

In the front-view state, if the vehicle speed is lower than Vkm/h, the vehicle gear is not in the R gear, and when the hard key switch of the vehicle-mounted panoramic image system is pressed again, the vehicle-mounted panoramic image system returns to the standby state. If the speed of the vehicle is lower than Vkm/h, the vehicle gear is not in the R gear, and when the return soft key on the display of the multimedia interactive system is pressed, the vehicle panoramic image system will also return to the standby state. When the vehicle speed is greater than Vkm/h, the vehicle panoramic image system will also return to the standby state.

On the basis that the vehicle-mounted panoramic image system is in the forward-looking state, the speed of the vehicle is lower than Vkm/h, and when the vehicle gear is not in R gear, if the user clicks on the left area in the panoramic image on the display, the vehicle-mounted panoramic image system will Enter the left-view state; if the user clicks on the rear area in the panorama on the display, the vehicle-mounted panoramic image system enters the rear-view state; if the user clicks on the right area in the panorama on the display, the vehicle-mounted panoramic image system enters the right-view state . If the vehicle gear is in the R gear, the vehicle-mounted panoramic image system will also enter the rear view state.

After the vehicle-mounted panoramic image system enters the left-view state, the vehicle speed is less than Vkm/h, and when the vehicle gear is not R, if the user clicks on the front area in the panoramic image on the display, the vehicle-mounted panoramic image system returns to the forward-view state If the user clicks the rear area in the panorama on the display, the vehicle-mounted panoramic image system enters the rear-view state; if the user presses the hard button of the vehicle-mounted panoramic image system or the return soft key on the display again, the described The on-board panoramic imaging system returns to the standby state. If the vehicle speed is less than Vkm/h, the vehicle gear is R gear, and the vehicle panoramic image system will also enter the rear view state. If the vehicle speed is greater than Vkm/h, the vehicle panoramic image system will also return to the standby state.

After the vehicle-mounted panoramic image system enters the right-view state, the vehicle speed is less than Vkm/h, and when the vehicle gear is not R, if the user clicks on the front area in the panoramic image on the display, the vehicle-mounted panoramic image system returns to the forward-view state If the user clicks the rear area in the panorama on the display, the vehicle-mounted panoramic image system enters the rear-view state; if the user presses the hard button of the vehicle-mounted panoramic image system or the return soft key on the display again, the described The on-board panoramic imaging system returns to the standby state. If the vehicle speed is less than Vkm/h, the vehicle gear is R gear, and the vehicle panoramic image system will also enter the rear view state. If the vehicle speed is greater than Vkm/h, the vehicle panoramic image system will also return to the standby state.

After the vehicle-mounted panoramic image system enters the rear-view state, the speed of the vehicle is less than Vkm/h, and when the vehicle gear is not R, if the user clicks on the front area in the panoramic image on the display, the vehicle-mounted panoramic image system returns to the forward-view state If the user clicks on the left area in the panorama on the display, the vehicle-mounted panoramic image system enters the left-view state; if the user clicks on the right area in the panorama on the display, the described vehicle-mounted panoramic image system enters the right-view state; if the user again When the hard key of the vehicle-mounted panoramic image system or the return soft key on the display is pressed, the vehicle-mounted panoramic image system returns to the standby state. If the speed of the vehicle is less than Vkm/h, and the vehicle exits the R gear, the vehicle-mounted panoramic image system will also enter the forward-looking state. If the vehicle speed is greater than Vkm/h, the vehicle gear is not R gear, and the vehicle-mounted panoramic image system will also return to the standby state.

In 2D mode, the pictures on the display in the front view state are front view and 2D panorama, the pictures on the display in the left view state are left view and 2D panorama, and the pictures on the display in the rear view state are It is a rear view and a 2D panorama, and the picture on the display in the right view state is a right view and a 2D panorama.

Wherein, the standby state means that all other modules in the system except the display module 500 are in working state, but the display module 500 does not display the image involved in the present invention, and Vkm/h can be set to 30km/h.

In a feasible embodiment of the present invention, a 3D working mode of the vehicle-mounted panoramic image system is provided. Specifically, as shown in FIG. 10 , the 3D working mode of the vehicle-mounted panoramic image system is as follows:

When the vehicle-mounted panoramic image system is in a standby state, the vehicle speed is less than Vkm/h, and the vehicle gear is not R, and the steering linkage switch is turned on, if the vehicle turns left, the vehicle-mounted panoramic image system enters a left turn state; if the vehicle turns right, the vehicle-mounted panoramic image system enters the right turn state.

When the vehicle-mounted panoramic image system is in 2D mode, the speed of the vehicle is less than Vkm/h, and the vehicle gear is not R, if the user clicks the "2D/3D" switch soft button, the vehicle-mounted panoramic image system will enter 3D mode. The rear-view state of the mode; if the vehicle turns to the left and the steering linkage switch is turned on, the vehicle-mounted panoramic imaging system enters the left-turning state; if the vehicle turns to the right and the steering linkage switch is turned on, the vehicle-mounted panoramic imaging system enters the right-turning state state.

When the vehicle-mounted panoramic image system is in the rear-view state, the vehicle speed is less than Vkm/h, and the vehicle gear is not R, if the vehicle turns to the left and the steering linkage switch is turned on, the vehicle-mounted panoramic image system enters the left If the vehicle turns to the right and the steering linkage switch is turned on, the vehicle-mounted panoramic image system enters the right-turn state; if the user clicks the hard button of the vehicle-mounted panoramic image system or the soft button on the display again, the vehicle-mounted panoramic image system The imaging system returns to the standby state; if the user clicks the "2D/3D" switching softkey again, the vehicle-mounted panoramic imaging system returns to the forward-looking state of the 2D mode. When the vehicle speed is greater than Vkm/h, the vehicle-mounted panoramic image system will also return to the standby state.

When the vehicle-mounted panoramic image system is in a left-turn state, if the vehicle speed is less than Vkm/h, the vehicle gear is not R, and the vehicle withdraws from the left-hand turn, the vehicle-mounted panoramic image system enters the rear view state of 3D mode ; If the vehicle speed is greater than Vkm/h, the vehicle-mounted panoramic image system returns to the standby state.

When the vehicle-mounted panoramic image system is turning right, if the speed of the vehicle is less than Vkm/h, the vehicle gear is not R, and the vehicle withdraws from the right-turning state, the vehicle-mounted panoramic image system enters the rear view state of 3D mode ; If the vehicle speed is greater than Vkm/h, the vehicle-mounted panoramic image system returns to the standby state.

In 3D mode, the picture on the display in the rear view state is a front view and a 3D rear view, the picture on the display in the left turn state is a front view and a left turn 3D view, and in the right turn state the picture on the display is Footage is front view and right turned 3D view.

The 3D working mode provided by this embodiment mainly solves the problem of the A-pillar blind area of the vehicle, so that the driver can clearly and timely see the images around the vehicle and prevent accidents from happening.

Wherein, the standby state means that all other modules in the system except the display module 500 are in working state, but the display module 500 does not display the image involved in the present invention, and Vkm/h can be set to 30km/h.

A feasible embodiment of the present invention provides a method for implementing a vehicle-mounted panoramic image system. Specifically, as shown in FIG. 11 , the method includes:

S101. Start the vehicle-mounted panoramic image system, and the camera device captures images in the blind area of the A-pillar of the vehicle, and transmits the captured image data to the image processing module. The camera device may be a wide-angle camera, and there are four wide-angle cameras, which are respectively arranged on the four sides of the vehicle and face the four directions of the front, rear, left, and right of the vehicle.

S102. Acquire images in the A-pillar blind area captured by the camera device, perform high-speed image processing, synthesis and correction on the images in the A-pillar blind area, and generate 2D front view and 3D view. The 2D views include: a front view, a rear view, a left view, a right view, and a 2D panoramic view; the 3D views include: a 3D rear view, a right-turned 3D view, and a left-turned 3D view. Then the processed image data is classified and stored in a memory, and the memory can be Flash, DDR or SD card. The file types for saving image data include: general video folder, emergency video folder and gallery. The files in the general video folder can be automatically overwritten circularly, but the files in the emergency video folder and gallery will not be automatically overwritten. Cyclic coverage or deletion can only be deleted artificially or formatted.

Described file classification method is as follows, after described vehicle-mounted panoramic image system starts, carries out SD card fault detection, if SD card is normal, then enters general video recording state, the video recording file under this state is saved in the general video folder; When the vehicle-mounted panoramic image system receives an emergency recording button signal or a collision signal or a gravity sensing signal, it starts the emergency recording function, and saves the video files of 15 seconds before and 15 seconds after the emergency recording is triggered into the emergency recording folder; The vehicle-mounted panoramic image system receives the camera signal, starts the camera function, and stores the photos in the gallery.

S103. Turn on the steering linkage switch to detect a trigger signal. The trigger signal may come from each unit of the steering signal detection module or from a key. The signals of the vehicle speed detection unit, the gear position detection unit and the turn signal detection module of the turn signal detection module can all be used as trigger signals.

S104. Acquire the processed image data in response to the trigger signal, and display the image data on the display of the multimedia interactive system, and switch the display content through a turn signal or a key, and the key is a physical hard key or a soft key on the display.

A feasible embodiment of the present invention provides an image processing method. Specifically, as shown in FIG. 12, the image processing method includes:

S201. Receive the image data from the camera module, and save the image data captured in different situations to corresponding folders. Specifically, it can be divided into situations such as emergency video recording and pictures taken due to receiving a camera signal.

If the vehicle-mounted panoramic image system receives an emergency recording button signal, a collision signal or a gravity sensing signal, it will start the emergency recording function and save the files 15 seconds before and 15 seconds after the emergency recording is triggered in the emergency recording folder of the SD card. The files in the recording folder will not be overwritten or deleted automatically, but can be deleted manually or formatted on the SD card.

If the vehicle-mounted panoramic image system receives the camera button signal, the system starts the camera function and stores the pictures in the SD card gallery. The pictures in the gallery will not be automatically overwritten or deleted, but can be deleted manually or formatted on the SD card.

If the vehicle-mounted panoramic image system receives the recording button signal in the navigation, the system starts the recording function. If you need to play back the video data, you can enter the folder where the video data is located, and click the video file or picture to play it. The display of the vehicle-mounted panoramic image system is also provided with a menu. Entering the menu, you can check the software version and software version update, restore factory settings, SD card formatting, parking monitoring, gravity sensing, recording time, resolution and other settings. The parking monitoring described above can be switched off or on.

S202. Process and synthesize the received image data to generate a front view, a rear view, a left view, a right view, a 2D panorama and a 3D view, and the 3D views include: a 3D rear view, a right turning 3D view and a left Go to the 3D view.

S203. Correct the distortion in the processed and synthesized image data.

S204. Save the front view, the rear view, the left view and the right view.

The front view, rear view, left side view and right side view may be images without distortion correction, or images after distortion correction.

An embodiment of the present invention also provides a storage medium. Optionally, in this embodiment, the foregoing storage medium may be used to store program codes executed to implement an image processing method in the foregoing embodiments.

Optionally, in this embodiment, the foregoing storage medium may be located in at least one network device among multiple network devices of the computer network.

Optionally, in this embodiment, the storage medium is configured to store program codes for performing the following steps:

The first step is to receive the image data from the camera module, and save the images taken in different situations to corresponding folders;

The second step is to process and synthesize the received image data to generate a front view, a rear view, a left view, a right view, a 2D panorama and a 3D view, and the 3D views include: a 3D rear view, a right-turning 3D view and turn left to the 3D view;

The third step is to correct the distortion in the processed and synthesized image data;

The fourth step is to save the front view, rear view, left view and right view.

Optionally, in this embodiment, the above-mentioned storage medium may include but not limited to: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk Various media that can store program codes such as discs or optical discs.

In the several embodiments provided in this application, the described device embodiments are only illustrative, for example, the division of the units is only a logical function division, and there may be other division methods in actual implementation, such as Multiple units or components may be combined or integrated into another system, or some features may be omitted, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of units or modules may be in electrical or other forms.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.

Claims (10)

1. a kind of vehicle-mounted panoramic image system, which is characterized in that the vehicle-mounted panoramic image system includes：

Photographing module (100), the image in pillar A blind for shooting vehicle by photographic device；

Image processing module (200), the image data for shooting to the photographing module carry out processing synthesis, and it is blind to generate A column Area's image data；

Turn signal detection module (300), for detecting the turn signal of vehicle；

Display control module (400), for controlling the image of the vehicle-mounted panoramic image system according to turn signal testing result Switching；

Display module (500), for the pillar A blind image after the processing synthesis of real-time display over the display.

2. a kind of vehicle-mounted panoramic image system according to claim 1, which is characterized in that photographing module (100) packet Left side pillar A blind camera unit (101) and right side pillar A blind camera unit (102) are included, shooting left side pillar A blind is respectively used to With the image in the pillar A blind of right side.

3. a kind of vehicle-mounted panoramic image system according to claim 1, which is characterized in that described image processing module (200) the pillar A blind image data generated includes left side pillar A blind image data and right side pillar A blind image data.

4. a kind of vehicle-mounted panoramic image system according to claim 3, which is characterized in that described image processing module (200) the pillar A blind image data generated includes 3D view, and the 3D view includes again：3D rearview, right turn 3D view and Left steering 3D view, the right turn 3D view are right side pillar A blind images, and the left steering 3D view is left side pillar A blind Image.

5. a kind of vehicle-mounted panoramic image system according to claim 4, which is characterized in that described image processing module (200) the pillar A blind image data generated further includes 2D view, and the 2D view includes again：Front view, rearview, left side view Figure, right side view and 2D panorama sketch, the right side view are right side pillar A blind images, and the left side view is left side pillar A blind Image.

6. a kind of vehicle-mounted panoramic image system according to claim 1, which is characterized in that the turn signal includes turning to One of lamp open signal, steering wheel turn signal, vehicle front-wheel steer signal are a variety of.

7. a kind of vehicle-mounted panoramic image system according to claim 6, which is characterized in that the turn signal is the letter that turns left Number when, the display module (500) display left side pillar A blind image, when the turn signal is right turn signal, the display mould Block (500) display right side pillar A blind image.

8. a kind of vehicle-mounted panoramic image system according to claim 1, which is characterized in that the display area of the display It is divided into first area and second area, the first area is used to show front view, rearview, left side view or right side view, The second area is for showing 2D panorama sketch or 3D view.

9. a kind of vehicle-mounted panoramic image system according to claim 8, which is characterized in that the turn signal detection module (300) when detecting turn signal, left side pillar A blind image and right side pillar A blind image are shown on the display simultaneously.

10. a kind of vehicle-mounted panoramic image system according to claim 1, which is characterized in that the display control module (400) it is also used to by switching by key control image, the key includes the soft-key button on the hard key of physics or display.