Video segmentation and camera motion characterization using compressed data

Ruggero Milanese; Frederic Deguillaume; Alain Jacot-Descombes

doi:10.1117/12.290367

6 October 1997 Video segmentation and camera motion characterization using compressed data

Ruggero Milanese, Frederic Deguillaume, Alain Jacot-Descombes

Proceedings Volume 3229, Multimedia Storage and Archiving Systems II; (1997) https://doi.org/10.1117/12.290367
Event: Voice, Video, and Data Communications, 1997, Dallas, TX, United States

Abstract

We address the problem of automatically extracting visual indexes from videos, in order to provide sophisticated access methods to the contents of a video server. We focus on tow tasks, namely the decomposition of a video clip into uniform segments, and the characterization of each shot by camera motion parameters. For the first task we use a Bayesian classification approach to detecting scene cuts by analyzing motion vectors. For the second task a least- squares fitting procedure determines the pan/tilt/zoom camera parameters. In order to guarantee the highest processing speed, all techniques process and analyze directly MPEG-1 motion vectors, without need for video decompression. Experimental results are reported for a database of news video clips.

Citation Download Citation

Ruggero Milanese, Frederic Deguillaume, and Alain Jacot-Descombes "Video segmentation and camera motion characterization using compressed data", Proc. SPIE 3229, Multimedia Storage and Archiving Systems II, (6 October 1997); https://doi.org/10.1117/12.290367

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