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Rapid scene analysis on compressed video

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2 Author(s)
Boon-Lock Yeo ; Dept. of Electr. Eng., Princeton Univ., NJ, USA ; Liu, B.

Several rapid scene analysis algorithms for detecting scene changes and flashlight scenes directly on compressed video are proposed. These algorithms operate on the DC sequence which can be readily extracted from video compressed using Motion JPEG or MPEG without full-frame decompression. The DC images occupy only a small fraction of the original data size while retaining most of the essential “global” information. Operating on these images offers a significant computation saving. Experimental results show that the proposed algorithms are fast and effective in detecting abrupt scene changes, gradual transitions including fade-ins and fade-outs, flashlight scenes and in deriving intrashot variations

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Circuits and Systems for Video Technology, IEEE Transactions on  (Volume:5 ,  Issue: 6 )