A recursive DCT algorithm with new distributed arithmetic

被引：1
|
作者：
Chien, Y. M. [1 ]
Lin, Y. [1 ]
机构：
[1] Natl Cent Univ, Dept Commun Engn, Chungli 32054, Taiwan
来源：
2006 INTERNATIONAL CONFERENCE ON COMMUNICATIONS, CIRCUITS AND SYSTEMS PROCEEDINGS, VOLS 1-4: VOL 1: SIGNAL PROCESSING | 2006年
关键词：
D O I：
10.1109/ICCCAS.2006.285201
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this work a recursive DCT algorithm based upon both decomposition and new distributed arithmetic (NEDA) is presented. In the proposed algorithm, the computation of the DCT coefficient is firstly decomposed into small matrices and then the NEDA structure is employed to compute the coefficient. As a result less computational or hardware complexity is required for the DCT implementation as compared to the NEDA approach without decomposition. In addition, with the same bit precision (quantization) the proposed algorithm can achieve a better PSNR performance over the NEDA approach.
引用
收藏
页码：2582 / 2587
页数：6
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