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Title: Fast mode decision algorithm for HEVC screen content intra coding
Authors: Kuang, W 
Tsang, SH 
Chan, YL 
Siu, WC 
Keywords: Bayesian decision rule
Fast mode decision
High Efficiency Video Coding (HEVC)
Screen Content Coding (SCC)
Issue Date: 2018
Publisher: IEEE Computer Society
Source: Proceedings of the International Conference on Image Processing, ICIP, v. 2017-September, p. 2473-2477 How to cite?
Abstract: Screen Content coding (SCC) is one of an extension to High Efficiency Video Coding (HEVC) developed by the Joint Collaborative Team on Video Coding (JCT-VC). It adopts two new coding tools, intra block copy (IBC) and palette (PLT) modes, to improve the compression performance for intra coding. Nevertheless, mode selection causes a substantial increase in encoding complexity. In this paper, a fast mode decision algorithm, which makes use of early mode skip decision based on the Bayesian decision rule using online learning, is proposed. The proposed algorithm is implemented in the SCC reference software SCM-7.0. Experimental results show that the proposed algorithm can achieve 23.2% complexity reduction on average with only 0.58% Bjontegaard delta bitrate loss in All Intra (AI) configurations.
Description: 24th IEEE International Conference on Image Processing, ICIP 2017, Beijing, China, 17-20 Sep 2017
ISBN: 9781509021758
DOI: 10.1109/ICIP.2017.8296727
Appears in Collections:Conference Paper

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