Dynamic reverse image accessory system

A reversing image and auxiliary system technology, applied in closed-circuit television system, TV system components, image communication, etc., can solve the problems of high cost and high chip requirements, achieve high reliability, high-speed communication, and improve accuracy Effect

Inactive Publication Date: 2008-11-05
SHANGHAI SICAR VEHICLE TECH DEV
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AI Technical Summary

Problems solved by technology

At present, the dynamic OSD is only available in some high-end cars abroad, and the realization principle is to realize the independent line drawing through the high-end image processing chip, which has high requirements on the chip, resulting in high cost.

Method used

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  • Dynamic reverse image accessory system

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Embodiment Construction

[0015] according to figure 1 , A reversing image auxiliary system of the present invention includes a video synchronous separator, a video character overlay chip, a main control chip, an external memory chip and a CAN transceiver. Among them, the video synchronous separator adopts the EL4501 chip of American Intersil (INTERSIL) company, the video character overlay chip adopts the Japanese Fujitsu company's model MB90092 chip, and the main control chip adopts PIC16 series 8-bit single-chip microcomputer of American Microchip Technology Company PIC18F2682, the CAN transceiver adopts the TJA1040 chip of Philips Company, and the external memory chip adopts the 1M*8bit FLASH memory S29AL008D of the Japanese company SPANSION.

[0016] This system adopts the standard N system video signal, and the CCD camera collects the image information to generate the standard N system video signal, which is connected to the VIDEO IN pin of the video synchronous separator EL4501 and the synchronou...

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Abstract

The invention relates to a dynamic backing image auxiliary system, mainly comprising a video sync separator for transmitting the N-video signal separated with the composite synchronizing signal and the field synchronizing signal into the image stacking process module; a plurality of images which are scaled are stored in the outside storage in the same size, and the image stacking process module is controlled to real-time call the control module for stacking the corresponding image information and the video signals in the outside storage, according to the change of the corner signal after receiving the steering wheel corner signals. Based on the control instruction of the control module, the stack of the image information and the video signal is completed, and the stacked composite video signal is output to the image stacking process module of the display. The invention solves the problems that the static assistant only stacks the fixed track scale line onto the image information of the back of the car, the car accessory line is fixed, not to correctly guide the driver for backing.

Description

technical field [0001] The invention relates to a dynamic reversing image auxiliary system. Background technique [0002] With the continuous development of modern electronic technology and the continuous application of electronic technology in automobile systems, various performances of automobiles have been greatly improved, and modern drivers and passengers can realize all aspects of automobiles through various automotive electronic products. Require. Considering factors such as safety and practicability, the reversing assistance system has entered a new era with the rapid development of automotive electronics-visualized reversing assistance system, which replaces the traditional reversing radar assistance, avoids the generation of blind spots, and has no restrictions on obstacles , detect the situation behind the car and give the driver a more intuitive visual feedback. The visual reversing assistance system is further divided into functions: static and dynamic image a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/18H04N5/265B60R1/02
Inventor 王东磊赖凯杰
Owner SHANGHAI SICAR VEHICLE TECH DEV
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