Monitoring traffic intersections in real time and predicting possible collisions is an important first step towards building an early collision-warning system. We present a vision-based system addressing this problem and describe the practical adaptations necessary to achieve real-time performance. Innovative low-overhead collision-prediction algorithms (such as the one using the time-as-axis paradigm) are presented. The proposed system was able to perform successfully in real time on videos of quarter-video graphics array (VGA) (320 /spl times/ 240) resolution under various weather conditions. The errors in target position and dimension estimates in a test video sequence are quantified and several experimental results are presented.
A vision-based approach to collision prediction at traffic intersections
IEEE Transactions on Intelligent Transportation Systems ; 6 , 4 ; 416-423
2005-12-01
312450 byte
Article (Journal)
Electronic Resource
English
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