CN111083439A

CN111083439A - Automobile high-resolution panoramic fusion system

Info

Publication number: CN111083439A
Application number: CN201911295961.9A
Authority: CN
Inventors: 兰存杰; 曹强; 王成兆; 冷超; 孟芙蓉; 何永攀; 吴龙八
Original assignee: Jiangsu Kaiwo Automobile Co ltd
Current assignee: Jiangsu Kaiwo Automobile Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-04-28

Abstract

The invention discloses an automobile high-resolution panoramic fusion system which comprises four cameras, a main processor SOC, a video serial port DS90UB962, a power supply ACC, a CAN transceiver TJA1043 and a processor MCU, wherein the CAN comprises a CAN high port and a CAN low port, the four cameras transmit video to the video serial port DS90UB962 through a FRAKA interface by using a coaxial cable, the video serial port DS90UB962 is transmitted through an MIPI protocol and the main processor SOC, the power supply ACC supplies power to the processor MCU, the CAN interacts with the processor MCU through the CAN transceiver TJA1043, the processor MCU interacts with the main processor SOC through an SPIS protocol, the main processor SOC is provided with a UARTS reset interface, a SDIO running memory interface, a DDR3 storage interface, a SDOI tachograph TF storage interface and a VOUTI interface, and video processed by the main processor SOC is output through an LVDS serializer MAX9275 in an RGB888 format and interacts with a main processor large screen.

Description

Automobile high-resolution panoramic fusion system

The technical field is as follows:

the invention relates to an automobile high-resolution panoramic fusion system, and belongs to the technical field of automobiles.

Background art:

at present, an automobile image is taken as a window for a driver to observe the surrounding environment of the automobile, AHD is adopted to transmit signals, the displayed picture is not clear, the surrounding environment is not accurately identified, the function is single, and the visual presentation is not rich.

Therefore, there is a need to improve the prior art to overcome the deficiencies of the prior art.

The invention content is as follows:

the invention provides an automobile high-resolution panoramic fusion system for solving the problems in the prior art, which is used for displaying 2D/3D high-definition panorama of the surrounding environment of an automobile body and facilitating observation of left and right coming automobiles and obstacles in visual field blind areas of the automobiles.

The technical scheme adopted by the invention is as follows: the utility model provides a car high-resolution panorama fusion system, including four ways of cameras, host processor SOC, video serial ports DS90UB962, power ACC, CAN all the way, CAN transceiver TJA1043 and processor MCU, CAN all the way includes that CAN is high and CAN is low, four ways of cameras pass through the FRAKA interface, utilize coaxial cable video transmission to video serial ports DS90UB962, video serial ports DS90UB962 passes through MIPI agreement and host processor SOC transmission, power ACC supplies power for processor MCU, CAN all the way passes through CAN transceiver TJA1043 and processor MCU interaction, processor MCU and host processor SOC carry out interaction through the SPIS agreement, be provided with UARTS reset interface on the host processor SOC, SDIO operation memory interface, DDR3 storage interface, SDOI vehicle record appearance TF storage interface and VOUTI interface, the video after host processor SOC is handled through LVDS MAX9275 output and host computer large-screen interaction through the RGB format.

Further, the chip of the main processor SOC is TDA2 EG-17.

Further, the chip of the processor MCU is MC9S 12128.

Furthermore, the four cameras comprise a panoramic forward-looking camera, a panoramic rear-looking camera, a panoramic left-looking camera and a panoramic right-looking camera.

Further, the host processor SOC is externally connected with the encryption chip ATSHA 204A.

The invention has the following beneficial effects:

(1) 2D/3D high-definition panoramic display of the surrounding environment of the vehicle body is carried out, and the resolution of a display interface is 1920 x 1080;

(2) the display device can display the view of a periscope and the transparency of the bottom of the vehicle, and is convenient for observing barriers of left and right vehicles and blind areas of the vehicle vision;

(3) the system can expand the auxiliary driving function;

(4) the automatic calibration system meets the requirements of production line installation, after-sale service and daily automatic optimization, and supports OTA remote upgrade.

Description of the drawings:

FIG. 1 is a schematic diagram of a high-resolution panoramic fusion system for a vehicle according to the present invention.

The specific implementation mode is as follows:

the invention will be further described with reference to the accompanying drawings.

The automobile high-resolution panoramic fusion system comprises a main processor SOC, a video serial port DS90UB962, a power supply, a CAN transceiver TJA1043 and a processor MCU, wherein four cameras transmit video to the video serial port DS90UB962 through a FRAKA interface by using a coaxial cable, the video serial port DS90UB962 transmits the video through an MIPI protocol and the main processor SOC, the power supply ACC supplies power to the processor MCU, the CAN interacts with the processor MCU through the CAN transceiver TJA1043, and the processor MCU interacts with the main processor SOC through an SPIS protocol. The main processor SOC is provided with a UARTS reset interface, an SDIO running memory interface, a DDR3 storage interface, an SDOI automobile recorder TF storage interface and a VOUTI interface, and videos processed by the main processor SOC are output in an RGB888 format through an LVDS serializer MAX9275 to interact with a large screen of a host.

Wherein the chip of the main processor SOC is TDA2 EG-17. The chip of the processor MCU is MC9S 12128. The four-way camera comprises a panoramic forward-looking camera, a panoramic rear-looking camera, a panoramic left-looking camera and a panoramic right-looking camera. The host processor SOC is externally connected to the crypto chip ATSHA 204A.

The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.

Claims

1. The utility model provides an automobile high-resolution panorama fusion system which characterized in that: the system comprises four paths of cameras, a main processor SOC, a video serial port DS90UB962, a power ACC, one path of CAN, a CAN transceiver TJA1043 and a processor MCU, wherein the one path of CAN comprises a CAN high part and a CAN low part, the four paths of cameras pass through an FRAKA interface and transmit video to the video serial port DS90UB962 by using a coaxial cable, the video serial port DS90UB962 transmits the video through an MIPI protocol and the main processor SOC, the power ACC supplies power to the processor MCU, the one path of CAN interacts with the processor MCU through the CAN transceiver TJA1043, the processor MCU interacts with the main processor SOC through an SPIS protocol, a UARTS reset interface, an SDIO operation memory interface, a DDR3 storage interface, an SDOI driving recorder storage interface and a VOUTI interface are arranged on the main processor SOC, and the video processed by the main processor SOC is output through an LVDS serializer MAX9275 in an RGB format and interacts with a main.

2. The automotive high resolution panoramic fusion system of claim 1, wherein: the chip of the main processor SOC is TDA2 EG-17.

3. The automotive high resolution panoramic fusion system of claim 1, wherein: the chip of the processor MCU is MC9S 12128.

4. The automotive high resolution panoramic fusion system of claim 1, wherein: the four-way camera comprises a panoramic forward-looking camera, a panoramic rear-looking camera, a panoramic left-looking camera and a panoramic right-looking camera.

5. The automotive high resolution panoramic fusion system of claim 1, wherein: the host processor SOC is externally connected to the crypto chip ATSHA 204A.