Compressed Domain Features Extraction for Shot Characterization

Abstract: In this work, we propose a system for shot comparison directly working on the MPEG-1 stream in the compressed domain, extracting both color, texture and motion features considering all frames with a reasonable computational cost, and results comparable to those obtained on uncompressed keyframes. In particular a summary descriptor for each Group Of Pictures (GOP) is computed and employed for shot characterization and comparison. The Mallows distance allows to match different length clips in a unified framework.

Citation:

Grana, Costantino; Vezzani, Roberto; Borghesani, Daniele; Cucchiara, Rita "Compressed Domain Features Extraction for Shot Characterization" Proceedings of the 1st International Workshop on Knowledge Acquisition from Multimedia Content, Genova, Italy, pp. 71 -80 , Dec 5, 2007

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