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Proceedings Paper

A framework for fast mode decision in the H264 video coding standard
Author(s): Ming Yuan Yang; Christos Grecos
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Paper Abstract

We propose a novel framework for fast mode decision in the simple and main profiles of the H264 video coding standard. Our framework consists of a specific combination of algorithms, each achieving computational savings while retaining Rate Distortion (RD) performance very similar to the standard. In particular, we utilise a set of skip mode conditions for P and B slices, two heuristics that reduce the cardinality of the inter mode set to be examined, inter/intra mode prediction and the monotonicity property of the Rate Distortion cost functions. We achieve content dependent savings in run times between 5.8 and 90.1% as compared to H264. Compared to other work that was used as input to the standard, our scheme is faster by 9-23% for very similar RD performance. The proposed framework can be used wholly or partially for computational speed-ups, it is independent of the motion search method used and is applicable in both the rate controlled and non rate controlled cases.

Paper Details

Date Published: 19 January 2006
PDF: 7 pages
Proc. SPIE 6077, Visual Communications and Image Processing 2006, 60771J (19 January 2006); doi: 10.1117/12.641716
Show Author Affiliations
Ming Yuan Yang, Loughborough Univ. (United Kingdom)
Christos Grecos, Loughborough Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 6077:
Visual Communications and Image Processing 2006
John G. Apostolopoulos; Amir Said, Editor(s)

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