期刊
ELECTRONICS
卷 10, 期 15, 页码 -出版社
MDPI
DOI: 10.3390/electronics10151839
关键词
odds algorithm; HEVC; intra mode; fast encoding
A novel method is presented in this paper to expedite the intra mode decision process of HEVC through the odds algorithm, resulting in a 25% to 35% acceleration in the encoding process while maintaining BD-BR at 0.95% to 1.84%.
The brute-force behaviour of High-Efficiency Video Coding (HEVC) is the biggest hurdle in the communication of the multimedia contents. Therefore, a novel method will be presented here to expedite the intra mode decision process of HEVC. In the first step, the feasibility of the odds-algorithm for the early intra mode decision is presented by using statistical evidence. Then, various elements of odds algorithm are analyzed and then mapped to the intra mode process (elements) of HEVC. Finally, the probability required by the odds algorithm is obtained by utilizing the correlation between the current and the neighboring blocks. The proposed algorithm accelerated the encoding process of the HEVC by 25% to 35%, while the Bjontegaard Delta Bit Rate (BD-BR) is 0.95% to 1.84%.
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