Fast intra coding unit decision for high efficiency video coding based on statistical information
作者：
Highlights：
• Predicted depth and variance difference are exploited for early-split CU detection.
• CUs partitioning process can be terminated by the Bayesian decision rule and quadratic discriminant analysis.
• Using online learning system, thresholds of proposed algorithm are periodically updated.
• Proposed algorithm reduces encoding time up to 55.47% with 1.01% BD-BR loss.
摘要
•Predicted depth and variance difference are exploited for early-split CU detection.•CUs partitioning process can be terminated by the Bayesian decision rule and quadratic discriminant analysis.•Using online learning system, thresholds of proposed algorithm are periodically updated.•Proposed algorithm reduces encoding time up to 55.47% with 1.01% BD-BR loss.
论文关键词：High-efficiency video coding (HEVC),Fast coding unit size decision,Online learning algorithm,Bayes decision,Quadratic discriminant analysis (QDA),Video compression
论文评审过程：Received 9 August 2016, Revised 24 March 2017, Accepted 24 March 2017, Available online 2 April 2017, Version of Record 5 April 2017.
论文官网地址：https://doi.org/10.1016/j.image.2017.03.019
