High-Order Integer Cosine Transform: Construction Method and Fast Algorithms for High-Resolution Image and Video Coding

被引：2
|
作者：
Hnativ L.O. [1 ]
机构：
[1] V. M. Glushkov Institute of Cybernetics, National Academy of Sciences of Ukraine, Kyiv
来源：
Cybernetics and Systems Analysis | 2017年 / 53卷 / 4期
关键词：
AVS; coding gain; compression ratio; computing complexity; discrete cosine transform; factorization; fast transform; H.264; H.265; integer cosine transform; scaled transform; video coding;
D O I：
10.1007/s10559-017-9964-0
中图分类号：
学科分类号：
摘要：
Matrix method of constructing one-norm high-order integer cosine transform is proposed. The one-norm order-32 integer transform is constructed and its fast algorithms of low computing complexity are developed. Its computing complexity is 3.24 times less than that in the well-known algorithms and 15.6 times less than in standard H.265 and requires integer operations only. This transform is not only very close to the discrete cosine transform but also has excellent coding performance. © 2017, Springer Science+Business Media, LLC.
引用
收藏
页码：615 / 626
页数：11
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