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Intra residual DPCM for H.264 lossless coding  

Han Ki-Hun (Dept. of Computer Engineering, DMS Lab., Sejong University)
Lee Yung-Lyul (Dept. of Computer Engineering, DMS Lab., Sejong University)
Publication Information
Journal of Broadcast Engineering / v.11, no.2, 2006 , pp. 174-180 More about this Journal
Abstract
H.264/MPEG-4 AVC is jointly developed by ITU-T and ISO/IEC. It provides efficient coding efficiency compared with previous video standards. It reduced the bit rate by approximately $30%{\sim}70%$ while providing the same or better image quality. And, H.264/MPEG-4 AVC supports not only lossy coding but also lossless coding. In this paper, we suggest a method to improve lossless coding efficiency. Proposed method is based on Intra residual DPCM, it has same effect with the prediction from spatially nearest pixel. Also, proposed method does not broken decoder pipe-line. Experimental results, the method reduced the bit rate by approximately 12% in comparison with the H.264 Intra lossless coding. As a result, it is adopted into the H.264/MPEG-4 AVC Advanced 4:4:4 profile.
Keywords
H.264/MPEG-4 AVC; Lossless Coding; DPCM; Intra Prediction;
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  • Reference
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