An Introduction to High Efficiency Video Coding Range Extensions
Release Date：2016-03-11
Author：Bin Li and Jizheng Xu
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[Abstract] High Efficiency Video Coding (HEVC) is the latest international video coding standard, which can provide the similar quality with about half bandwidth compared with its predecessor, H.264/MPEG⁃4 AVC. To meet the requirement of higher bit depth coding and more chroma sampling formats, range extensions of HEVC were developed. This paper introduces the coding tools in HEVC range extensions and provides experimental results to compare HEVC range extensions with previous video coding standards. Experimental results show that HEVC range extensions improve coding efficiency much over H.264/MPEG⁃4 AVC High Predictive profile, especially for 4K sequences.
[Keywords] H.265; High Efficiency Video Coding (HEVC); MPEG⁃H; range extensions; video compression
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