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Information & computer science publications May 1, 2006

Reduced Resolution Residual Coding for H.264-Based Compression System

Michael A. Isnardi

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Cheng, H., Kopansky, A., & Isnardi, M.A., (May 2006). “Reduced resolution residual coding for H.264-based compression system,” Circuits and Systems, 2006. ISCAS 2006. Proceedings. 2006 IEEE International Symposium on, vol., no., pp.4 pp.,, 21-24.

Abstract

The current state-of-the-art video coding standard, H.264, offers substantially better compression performance than earlier video coding standards. However, even with these gains, better compression is still desirable. This paper describes a macroblock-based mixed resolution video encoding system. By reducing the spatial resolution of some macroblock residuals intelligently, our preliminary experiments show up to 20% improvement in video compression efficiency compared to H.264 while maintaining good subjective video quality.

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