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Automatic Object Segmentation Algorithms for Sprite Coding using MPEG-4
Citation key 1148Krutz2008
Author Andreas Krutz and Alexander Glantz and Thomas Sikora and Paulo Nunes and Fernando Pereira
Title of Book 50th International Symposium ELMAR-2008, September, Proceedings, Zadar, Croatia, Vol. 2 of 2
Pages 459–462
Year 2008
Address Department of Wireless Communications, Faculty of Electrical Engineering and Computering, University of Zagreb, Croatia
Month sep
Editor Mislav Grgic, Sonja Grgic
Publisher ELMAR, Croatian Society Electronics in Marine, Zadar
Organization ELMAR, Zadar
Abstract Object-based video coding, as standardized in MPEG-4 Part 2, can result in superior performance in comparison to common hybrid motion-compensated DCT-based approaches. We consider sprite coding which increases significantly the objective as well as the subjective quality of the coded video. The main challenge of this approach is the pre-segmentation of the video and the video content itself. To apply sprite coding, the input video has to be firstly segmented into foreground and background objects. We evaluate automatic object segmentation methods based on global motion estimation and background sprite generation. These algorithms are evaluated using the standardized MPEG-4 Visual Main Profile (sprite coding).
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