Study on New Algorithm for Background Extraction and Updating in Unit of Scan Line
Journal of Zhongyuan University of Technology(2012)
摘要
To meet the requirements for real-time and accuracy of a video-based vehicle monitoring system based on background subtraction,a new background extraction and updating algorithm is proposed.In the algorithm,both the extraction and updating in unit of scan line are carried out,which was simply and easy.In the stage of extraction and updating,moving objects by frame difference and background subtraction separately are detected,and influence with appropriate moving region criterions is removed,thus raised the accuracy.Through dividing updating tasks of one frame into several frames,greatly reduced the one frame processing time,thus raised the real-time property of the whole system.Experiments demonstrates that the algorithm is available for practice.
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