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Vehicle Speed Estimation Based on Video

SONG Tao1,ZHUANG Lei1,LIU Gang2,WANG Le2(1.School of Information Engineering,Zhengzhou University,Zhengzhou 450001,China; 2.Higher Education Admission Office of Henan,Zhengzhou 450046,China)  
This paper presents a vehicle speed estimation method on the basis of streaming video.First,the method analyzes optical flow to get the movement feature points of vehicles and then to calculate the vehicle motion vector.Followed,we obtain motion vector histogram of motion vector by a statistics means on them.Obviously,the motion vector histogram could represent the size and direction of the vehicle velocity.In this paper,we build a speed estimation function and give the implementation process of the algorithm,and the experimental results show that our algorithm has stability,and is effective on vehicle speed estimation.
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