A Fast Intra Prediction Method Using the Distribution of Adjacent Pixels in HEVC

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概要

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• This letter proposes a fast intra prediction method to reduce encoding time for the high-efficiency video coding (HEVC) standard, which involves an increase in the number of intra-modes. The proposed intra-mode coding method uses correlation between intra-modes and adjacent pixels. The proposed method skips half of the intra-modes in certain blocks, specifically those that satisfy predetermined conditions. Using the half of intra-modes reduces number of bits for intra-mode coding and offsets a decline of coding performance caused by mode skipping. The experimental results show that the proposed method achieved 5.87% reduction in encoding time compared to the HEVC test model 7.1 encoder with almost no loss in coding performance.

著者

• Kim Jaeseok

  Department Of Electrical And Electronic Engineering Yonsei University

• BYUN Juwon

  Department of Electrical and Electronic Engineering, Yonsei University

• KIM Youngjo

  Department of Electrical and Electronic Engineering, Yonsei University

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