A Method to Construct a Large-Size Simple Integer Cosine Transform for High-Resolution Image and Video Coding

被引：3
|
作者：
Hnativ, L. O. [1 ]
机构：
[1] Natl Acad Sci Ukraine, VM Glushkov Inst Cybernet, Kiev, Ukraine
来源：
CYBERNETICS AND SYSTEMS ANALYSIS | 2016年 / 52卷 / 06期
关键词：
discrete cosine transform; integer cosine transform; integer cosine step transform; scaled transform; factorization; fast transform; coding gain; compression ratio; video coding; H.264; H.265; AVS;
D O I：
10.1007/s10559-016-9898-y
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A matrix method is considered to construct simple order-32 integer cosine step transform. A one-norm simple order-32 integer transform is proposed and its fast algorithms are developed whose computational complexity is 4.3 times smaller than that of well-known algorithms and 19 times smaller than that of the H.265 standard.
引用
收藏
页码：956 / 966
页数：11
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