|Table of Contents|

Vehicle collision model based on mono-vision Wang Chao,Zhao Chunxia,Ren Mingwu,Wang Huan

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2014年06期
Page:
739-
Research Field:
Publishing date:

Info

Title:
Vehicle collision model based on mono-vision Wang Chao,Zhao Chunxia,Ren Mingwu,Wang Huan
Author(s):
Wang ChaoZhao ChunxiaRen MingwuWang Huan
School of Computer Science and Engineering,NUST,Nanjing 210094,China
Keywords:
mono-vision vehicles collision model active safety target vehicles world coordinate system real vehicles vanishing point detection time to collision
PACS:
TP391.4
DOI:
-
Abstract:
In order to solve the problem of collision safety analysis of moving vehicles in active safety field,a new vehicle collision model is proposed here.The corresponding relations between target vehicles in images and real vehicles in world coordinate system are analyzed based on keyhole imaging principle.The vanishing point of road and the location of vehicle bottom in images are detected,and their difference is treated as the scale of vehicles.The changing law of the scale of vehicles in multi-frame images is analyzed,and the moving tendency of the vehicles is calculated and the time of collision between the front vehicle and the self-vehicle is evaluated.The vehicle collision model proposed here provides exact warning time and avoids needless alarms by analyzing acceleration.Compared with other models,the result of this model is astable when the distance between vehicles is longer than 30 m,and the error of this model is below 5% when the distance between vehicles is shorter than 30 m.A real vehicle experiment verifies the practicability and accuracy of this model.

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Last Update: 2014-12-31