Early warning method for preventing vehicle collision and device

A technology of vehicle collision and early warning device, applied in vehicle components, anti-collision systems, vehicle safety arrangements, etc., can solve the problems of inability to give early warning to drivers, being easily affected by weather factors, etc. Effect

Inactive Publication Date: 2012-07-04
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The problem with this method is that the analysis of the front view of the vehicle cannot be accurately realized, and the acquisition of video images is easily affected by weather factors, resulting in large errors, and the driver cannot be accurately warned

Method used

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  • Early warning method for preventing vehicle collision and device
  • Early warning method for preventing vehicle collision and device
  • Early warning method for preventing vehicle collision and device

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Embodiment Construction

[0015] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0016] Such as figure 1 Shown is the flowchart of the early warning method for preventing vehicle collision according to the embodiment of the present invention, the method includes the following steps:

[0017] Step S101 , collecting video image information in front of the vehicle, and obtaining first characteristic information of an obstacle object in front of the vehicle according to the video image information.

[0018] In one embodiment of the present invention, the video image in front of the vehicle is collected by two cameras, a...

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Abstract

The invention provides an early warning method for preventing vehicle collision and a device. The method includes steps of acquiring video image information of the front of a vehicle, and obtaining first characteristic information of an obstacle target of the front of the vehicle according to the video image information; acquiring radar measurement information of the front of the vehicle, and determining second characteristic information of the obstacle target of the front of the vehicle according to the radar measurement information; fusing characteristics of the first characteristic information and the second characteristic information so as to determine final characteristic information of the obstacle target of the front of the vehicle; estimating collision risks to the obstacle target according to the final characteristic information, and realizing early warning for a driver according to a collision risk estimation result. The obstacle target of the front of the vehicle and state information of the obstacle target are identified by means of fusing information, which are acquired by double cameras and a radar device, of the front of the vehicle, target identification precision is improved, and a collision preventive alarm function of the vehicle can be well realized.

Description

technical field [0001] The invention relates to the technical field of automobile active safety, in particular to an early warning method and device for preventing vehicle collisions. Background technique [0002] With the rapid development of the automobile industry and highways, automobile collision accidents are becoming more and more serious, so automobile anti-collision alarms become very important. [0003] The car anti-collision system is an intelligent active car safety system, which can make up for the deficiencies in human perception, judgment and even control. The biggest problem to be solved in the automobile collision avoidance system is the recognition of multiple targets and the problem of false alarms. Since the working environment of the automobile collision avoidance system is a dynamic, multi-target, and wide-ranging complex environment, how to distinguish multiple targets and accurately measure their distance, relative speed and azimuth will face great c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/16B60R21/0134
Inventor 农英雄解黎明何敏政
Owner BYD CO LTD
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