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A vehicle overlapping degree obtaining method and device

An acquisition method and a technology of an acquisition device are applied in the field of vehicle overlap acquisition, and can solve the problems of large overlap deviation and a large number of devices.

Active Publication Date: 2019-04-05
ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
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  • Summary
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the actual test, it is generally positioned by GPS in a closed test field, and the robot controls the vehicle offset to obtain the degree of overlap and test the performance; however, this method requires a lot of equipment
Moreover, in the public road test where a large number of equipment cannot be installed, the overlap degree of the two vehicles is generally judged based on the driver's experience, and the overlap degree obtained in this way has a large deviation

Method used

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  • A vehicle overlapping degree obtaining method and device
  • A vehicle overlapping degree obtaining method and device
  • A vehicle overlapping degree obtaining method and device

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Experimental program
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Effect test

Embodiment approach

[0112] A specific implementation manner, the target vehicle determination module 202 includes:

[0113] The search image feature vector obtaining unit is used to perform a direction gradient descriptor operation on the search image corresponding to the target vehicle to obtain the feature vector of the search image;

[0114] The search image area obtaining unit is configured to calculate and obtain the search image area from the feature vector of the search image.

[0115] It should be noted that the device embodiment has the same inventive concept as the above-mentioned method embodiment, and please refer to the above-mentioned method embodiment for specific content.

[0116] The embodiment of this specification also provides a device for obtaining overlap degree, the device includes a processor and a memory, at least one instruction, at least one program, a code set or an instruction set are stored in the memory, and the at least one instruction, the The at least one sectio...

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Abstract

The invention discloses a vehicle overlapping degree obtaining method and device, and the method comprises the steps: detecting a target vehicle corresponding to a current vehicle, and obtaining the position of the target vehicle and the search image area of the target vehicle; According to the lane line where the current vehicle is located and the position where the target vehicle is located, obtaining a mapping image area of the current vehicle mapped to the position where the target vehicle is located; Obtaining an overlapped image area of the current vehicle and the target vehicle according to the search image area and the mapping image area; And obtaining the overlapping degree of the current vehicle and the target vehicle according to the search image area and the overlapping image area. According to the invention, the overlapping degree of the current vehicle and the target vehicle can be automatically and accurately obtained in real time.

Description

technical field [0001] The invention relates to the technical field of vehicle safety detection, in particular to a method and device for acquiring vehicle overlap. Background technique [0002] The auxiliary systems used to test the vehicle include ACC active cruise control system, AEB automatic emergency braking system, etc. Among them, the ACC system can automatically adjust the cruising speed of the vehicle to respond to the slow-moving vehicle ahead and maintain a safe distance; the AEB system It can identify the potential collision risk in front of the vehicle, and give the driver corresponding warning prompts. In an emergency, it can also automatically apply the brakes to the vehicle to avoid or reduce the risk of collision, which can effectively reduce the occurrence of collision traffic accidents. In the process of ACC and AEB performance testing, the degree of overlap between the test vehicle and the target vehicle is an important reference data. [0003] In the a...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/62
CPCG06V20/56G06F18/21G06F18/22
Inventor 李益民陶硕文
Owner ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD
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