A Discrete Tchebichef Transform Approximation for Image and Video Coding

被引：20

作者：

Oliveira, Paulo A. M. ^{[1
]}

Cintra, Renato J. ^{[1
,2
]}

Bayer, Fabio M. ^{[3
,4
]}

Kulasekera, Sunera ^{[5
]}

Madanayake, Arjuna ^{[5
]}

机构：

[1] Univ Fed Pernambuco, Dept Estat, Signal Proc Grp, Recife, PE, Brazil

[2] INSA Lyon, LIRIS, Lyon, France

[3] Univ Fed Santa Maria, Dept Estat, BR-97119900 Santa Maria, RS, Brazil

[4] Univ Fed Santa Maria, LACESM, BR-97119900 Santa Maria, RS, Brazil

[5] Univ Akron, Dept Elect & Comp Engn, Akron, OH 44325 USA

来源：

IEEE SIGNAL PROCESSING LETTERS | 2015年 / 22卷 / 08期

关键词：

Approximate DTT; fast algorithms; image and video coding; COMPRESSION; DCT;

D O I：

10.1109/LSP.2015.2389899

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this letter, we introduce a low-complexity approximation for the discrete Tchebichef transform (DTT). The proposed forward and inverse transforms are multiplication-free and require a reduced number of additions and bit-shifting operations. Numerical compression simulations demonstrate the efficiency of the proposed transform for image and video coding. Furthermore, Xilinx Virtex-6 FPGA based hardware realization shows 44.9% reduction in dynamic power consumption and 64.7% lower area when compared to the literature.

引用

页码：1137 / 1141

页数：5

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