[1]ZHANG Fengjing,ZHOU Jianjiang,XIA Weijie.Research of vehicle security spacing measurements based on binocular stereovision[J].CAAI Transactions on Intelligent Systems,2011,6(1):79-84.
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Research of vehicle security spacing measurements based on binocular stereovision

CAAI Transactions on Intelligent Systems[ISSN 1673-4785/CN 23-1538/TP] Volume: 6 Number of periods: 2011 1 Page number: 79-84 Column: 学术论文—机器感知与模式识别 Public date: 2011-02-25
Title:
Research of vehicle security spacing measurements based on binocular stereovision
Author(s):
ZHANG Fengjing;  ZHOU Jianjiang;  XIA Weijie
College of Information Science & Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Keywords:
intelligent transportation;  vehicle distance;  binocular stereovision;  common perpendicular midpoint
CLC:
TP391
DOI:
-
Abstract:
As one of the research topics of intelligent transportation systems (ITS), systems for earlywarning against collision have drawn much attention in recent years. Based on the principle of binocular stereovision, a spacing measurement program for security vehicles on the expressway was proposed. According to the coordinates corresponding to two binocular images of the target vehicle obtained by the left and right cameras, the distance between the target vehicle and the camera could be calculated by employing the common perpendicular midpoint method. The results show that this measurement program can measure a wide range of distance and can also be applied to remote distances. The high precision can meet the needs of intelligent transportation vehicles in a security vehicles spacing survey, which is an effective way for measuring the front car distance.
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