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.
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收藏
页数：17
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