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A dual-channel heterogeneous dynamic image acquisition system and method

A dynamic image, dual-channel technology, applied in image communication, TV system components, TV, etc., can solve the problem that the source cannot be found by the detection measures in the transmission link, and achieve the effect of high diagnostic coverage

Active Publication Date: 2022-03-11
NANJING SEMIDRIVE TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Most of the dynamic image acquisition systems in the prior art are protected and detected during the data transmission stage, but there is no good and reliable method to detect data errors caused by failure of the image acquisition link
If there is an error in the acquisition phase of the dynamic image, no matter how strict the protection and detection measures are in the transmission link, the source of the problem cannot be found

Method used

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  • A dual-channel heterogeneous dynamic image acquisition system and method
  • A dual-channel heterogeneous dynamic image acquisition system and method

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Embodiment 1

[0033] figure 1 It is a schematic structural diagram of a dual-channel heterogeneous dynamic image acquisition system according to the present invention, such as figure 1 As shown, the dual-channel heterogeneous dynamic image acquisition system of the present invention includes a first image interface module 10, a second image interface module 20, a dynamic image comparison module 30, a fault processing module 40, an external memory interface 50, and an internal memory 60, of which,

[0034] The first image interface module 10 and the second image interface module 20 adopt different interfaces and transmission methods to receive dynamic image digital information from different external dynamic image acquisition modules, and store them in the internal memory 60 or store them in the external memory interface 50. external memory.

[0035] In the embodiment of the present invention, the dynamic image digital information received by the first image interface module 10 and the sec...

Embodiment 2

[0045] The present invention also provides a dual-channel heterogeneous dynamic image acquisition method, which avoids common cause failure through the dual-channel heterogeneous dynamic image acquisition system in Embodiment 1, and meets the requirements of high fault diagnosis coverage and high functional safety.

[0046] figure 2For the flow chart of the dual-channel heterogeneous dynamic image acquisition method according to the present invention, reference will be made below figure 2 , the dual-channel heterogeneous dynamic image acquisition method of the present invention will be described in detail.

[0047] First, in step 201, dynamic image data from two different dynamic image acquisition modules are received.

[0048] In the embodiment of the present invention, two different interface modules and transmission modes are used to respectively receive dynamic image data information from different dynamic image acquisition modules.

[0049] In step 202, the dynamic im...

Embodiment 3

[0055] In one embodiment of the present invention, there is also provided a dynamic image acquisition chip, including the dual-channel heterogeneous dynamic image acquisition system in the above-mentioned embodiment 1, which meets the requirements of functional safety, high reliability, and high security for dynamic image acquisition.

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Abstract

A dual-channel heterogeneous dynamic image acquisition system, including two image interface modules, a dynamic image comparison module, a fault processing module, an external memory interface, and an internal memory, wherein the two image interface modules use different interfaces and the transmission method respectively receive dynamic image digital information from different external dynamic image acquisition modules; the external memory interface is used to access the external memory to the dynamic image digital information; The dynamic image digital information of the interface module; the dynamic image comparison module compares the dynamic image digital information read from the memory from different image interface modules to generate a data comparison result; the fault processing module, according to the data Compare the results and initiate different response mechanisms. The invention also provides a dual-channel heterogeneous dynamic image acquisition method, which improves the fault diagnosis coverage and functional safety.

Description

technical field [0001] The invention relates to the technical field of automotive integrated circuits, in particular to a dynamic image acquisition system and method in automotive integrated circuits. Background technique [0002] With the development of assisted driving and automatic driving on road vehicles, the requirements for functional safety have reached unprecedented heights. The realization of functional safety is overall rather than partial, that is to say, only when the safety of all systems such as data collection, analysis, decision-making and control is guaranteed, can the driving safety of vehicles be realized in the true sense. Among them, the image acquisition system, as one of the main sensors supporting assisted driving and automatic driving, plays an extremely important role in functional safety. How to ensure the safety and reliability of the collected image data has important practical significance in the industry. [0003] In order to realize assiste...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/225H04N5/232
CPCH04N23/45H04N23/80
Inventor 魏斌仇雨菁张力航
Owner NANJING SEMIDRIVE TECH CO LTD
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