Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/14450
Title: Efficient inter mode decision for H.263 to H.264 video transcoding using support vector machines
Authors: Jing, X
Siu, WC 
Chau, LP
Constantinides, AG
Issue Date: 2009
Source: Proceedings - IEEE International Symposium on Circuits and Systems, 2009, 5118271, p. 2349-2352 How to cite?
Abstract: This paper presents an efficient mode decision algorithm for H.263 to H.264 interframe transcoding. The proposed scheme uses a support vector machines (SVMs) approach to investigate the relationship between data extracted from H.263 decoding stage and the optimal coding mode in H.264 re-encoding process. Based on the SVM classifier, the transcoder only enables a subset of candidate modes for each macroblock in the rate-distortion-optimized mode decision in H.264. The objective is to eliminate unlikely modes in earlier stages in order to achieve computation saving. Simulation results show that the proposed method can reduce the computational complexity of interframe transcoding by up to 77% while maintaining similar rate-distortion performance.
Description: 2009 IEEE International Symposium on Circuits and Systems, ISCAS 2009, Taipei, 24-27 May 2009
URI: http://hdl.handle.net/10397/14450
ISBN: 9781424438280
ISSN: 0271-4310
DOI: 10.1109/ISCAS.2009.5118271
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