Efficient fixed-point approximations of the 8x8 inverse discrete cosine transform

被引：7

作者：

Reznik, Yuriy A. ^{[1
]}

Hinds, Arianne T. ^{[2
]}

Zhang, Cixun ^{[3
]}

Yu, Lu ^{[3
]}

Ni, Zhibo ^{[3
]}

机构：

[1] QUALCOMM Inc, 5775 Morehouse Dr, San Diego, CA 92121 USA

[2] IBM Inc, Boulder, CO 80301 USA

[3] Zhejiang Univ, Hangzhou 310027, Zhejiang, Peoples R China

来源：

APPLICATIONS OF DIGITAL IMAGE PROCESSING XXX, PTS 1 AND 2 | 2007年 / 6696卷

关键词：

DCT; IDCT; factorizations; diophantine approximations; multiplierless algorithms; MPEG; JPEG; ITU-T; H.261; H.263; MPEG-1; MPEG-2; MPEG-4;

D O I：

10.1117/12.740228

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper describes fixed-point design methodologies and several resulting implementations of the Inverse Discrete Cosine Transform (IDCT) contributed by the authors to MPEG's work on defining the new 8x8 fixed point IDCT standard - ISO/IEC 23002-2. The algorithm currently specified in the Final Committee Draft (FCD) of this standard is also described herein.

引用

页数：17

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