Fast Intra Prediction Mode Decision for H.264/AVC

Do QUAN  Yo-Sung HO  

IEICE TRANSACTIONS on Information and Systems   Vol.E93-D   No.7   pp.2012-2015
Publication Date: 2010/07/01
Online ISSN: 1745-1361
DOI: 10.1587/transinf.E93.D.2012
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Image Processing and Video Processing
H.264/AVC,  video coding,  intra-mode decision,  

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In this letter, we present a simple but efficient intra prediction mode decision for H.264/AVC. Based on our investigation, the DC mode appears to be the superior prediction mode among the various candidates. We propose an intra-mode decision algorithm where the DC mode is chosen as a candidate for the best prediction mode. By experimental results, on average, the proposed algorithm significantly saves 81.905% of the entire encoding time compared to the H.264 reference software; besides, it reduces negligible peak signal-to-noise ratio (PSNR) values and slightly increases bitrates.