Just‐noticeable‐distortion‐based fast coding unit size decision algorithm for high efficiency video coding | Zendy

Wu Wei | Zendy; Song Bin | Zendy

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Just‐noticeable‐distortion‐based fast coding unit size decision algorithm for high efficiency video coding

Author(s) -

Wu Wei,

Song Bin

Publication year - 2014

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

ISSN - 1350-911X

DOI - 10.1049/el.2013.3981

Subject(s) - coding tree unit , coding (social sciences) , computer science , algorithm , rate distortion , decoding methods , mathematics , statistics

To reduce the computation complexity of high‐efficiency video coding, a just‐noticeable‐distortion is introduced into fast video encoding and a fast coding unit size decision algorithm is proposed. In the proposed algorithm, the spatiotemporal factors of 8 × 8 blocks are computed using the spatiotemporal just‐noticeable‐distortion, and then a measure is built to represent the spatiotemporal homogeneity of a coding unit, and finally the candidate coding unit sizes are predicted. Compared with the state‐of‐the‐art fast algorithm, experimental results show that the proposed algorithm can achieve 23.60% coding time saving while maintaining a similar coding efficiency.

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