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ISP-based image preprocessing system and method for ADAS

An image preprocessing and image processing technology, which is applied in the field of image processing, can solve the problems of prolonging the development cycle, increasing the load of the algorithm processor, reducing the efficiency of the algorithm processor, etc., and achieve the effect of improving efficiency and reducing work

Active Publication Date: 2018-04-24
ZHICHEAUTO TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The algorithm processor has different usage requirements for image specifications in different scenarios. Since the currently received images have fixed specifications, sometimes even the algorithm processor needs to perform secondary processing on the image to meet the usage requirements, which reduces the Algorithmic Processor Efficiency
[0005] In the existing ADAS system, the image processing work will be handed over to the algorithm processor, and the image processor will only transmit the image data of a fixed specification to the algorithm processor through simple processing, which greatly increases the load of the algorithm processor. Algorithm processors do image processing, which increases the difficulty of development and prolongs the development cycle

Method used

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  • ISP-based image preprocessing system and method for ADAS
  • ISP-based image preprocessing system and method for ADAS
  • ISP-based image preprocessing system and method for ADAS

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Embodiment 1

[0042] figure 1 A schematic diagram of an ISP-based image preprocessing system on an ADAS according to the present invention is shown.

[0043] Such as figure 1 As shown, in this embodiment, the ISP-based image preprocessing system on the ADAS according to the present invention can include: an image sensor 101, used to obtain raw image data; The original image data is processed according to multiple specifications; the algorithm processor 103 is communicatively connected to the image processor 102, and acquires image data of corresponding specifications according to application scenarios and performs calculation and analysis.

[0044] In this embodiment, the image processor is used to process the original image data with multiple specifications to generate an image of the specification required by the algorithm processor, thereby reducing the work of the algorithm processor and improving the efficiency of the algorithm processor.

[0045] image 3 A flow chart of processing...

Embodiment 2

[0073] figure 2 A flow chart of the ISP-based image preprocessing method on the ADAS according to the present invention is shown.

[0074] Such as figure 2 As shown, according to an embodiment of the present invention, an ISP-based image preprocessing method on an ADAS is provided, the method comprising:

[0075] Step 201, obtaining original image data;

[0076] Step 202, the image processor performs multiple specification processing on the original image data, and stores the image data of the same specification after the specification processing in the same storage unit;

[0077] Step 203, the algorithm processor accesses the corresponding storage unit according to the application scenario, acquires the image data of the corresponding specification and performs calculation and analysis.

[0078] In one example, the image processor includes an image processing unit and an ISP cache, and the image processor performs multiple specification processing on the original image d...

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Abstract

The invention discloses an ISP-based image preprocessing system and method for an ADAS, and the system comprises an image sensor which is used for obtaining original image data; an image processor which is in communication connection with the image sensor, obtains the original image data and carries out the multiple-type processing of the original image data; and an algorithm processor which is incommunication connection with the image sensor, obtains the image data of the corresponding type through an application scene, and carries out the operation and analysis. According to the invention,the image processor of the system shares the type processing operations of the algorithm processor, and improves the efficiency of the algorithm processor.

Description

technical field [0001] The invention belongs to the technical field of image processing, and more specifically relates to an ISP-based image preprocessing system and method on an ADAS. Background technique [0002] The ADAS system uses various sensors installed on the car to sense the surrounding environment at any time during the driving process of the car, collect data, identify, detect and track static and dynamic objects, and combine the navigator map data, Carry out systematic calculation and analysis, so that the driver can be aware of possible dangers in advance, and effectively increase the comfort and safety of car driving. [0003] An important part of the ADAS system is image processing. The typical image processing method is that the camera captures the data and transmits it to the image processor. The image processor performs simple processing on the captured data, and then transmits it to the algorithm processor for assisted driving. The algorithm processor wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/60
CPCG06V20/584G06V20/588G06V20/58G06V10/20
Inventor 高胜强马荣福沈海寅
Owner ZHICHEAUTO TECH BEIJING
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