Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/12100
Title: Efficient mode decision for H.264 down-sizing video transcoding using support vector machines
Authors: Lu, ZY
Siu, WC 
Jia, KB
Issue Date: 2010
Source: APSIPA ASC 2010 - Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2010, p. 288-293 How to cite?
Abstract: This paper presents an efficient mode decision scheme for down-sizing video transcoding in H.264 using support vector machines (SVMs). In order to reduce the high computational complexity of using conventional mode decision in the H.264 re-encoder, the proposed scheme uses SVMs to exploit the correlation between coding information extracted from the input high-resolution bit-stream and the coding modes of macroblocks in down-sized video frames. After the SVMs classifier, improbable modes are eliminated and only a small number of candidate modes are carried out using the RDO operations. Hence, remarkable computing time can be saved, while maintaining nearly the same quality of the transcoded pictures.
Description: 2nd Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2010, Biopolis, 14-17 December 2010
URI: http://hdl.handle.net/10397/12100
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