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- W2593060244 abstract "To meet the needs of various video service under different network conditions, multi-rate encoding using HEVC is in substantial demand. Although the efficient HEVC encoder x265 is developed with many optimization skills, it still performs slowly in intra coding. In this paper, we focus on multi-rate coding which simultaneously outputs several compressed bitstreams with different bitrates for one input source video. By analyzing the correlation and similarity of CU depth and PU prediction mode between multi-rate HEVC streams, an efficient HEVC multi-rate encoding system is proposed. Early-skip depth decision and fast intra mode decision are presented for reducing the coding complexity of the slave encoders by utilizing heuristic coding information obtained from the master encoder. Experimental results show that the proposed method can averagely reduce 52.45% total encoding time, in comparison with independent x265 encoders, with only 0.86% BDBR performance degradation. The time saving can reach up to 71.52% for only slave encoders." @default.
- W2593060244 created "2017-03-16" @default.
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- W2593060244 date "2017-01-01" @default.
- W2593060244 modified "2023-09-26" @default.
- W2593060244 title "Fast Intra Coding in an Efficient HEVC Multi-rate Encoding System Based on x265" @default.
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- W2593060244 doi "https://doi.org/10.1007/978-981-10-4211-9_30" @default.
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