VLSI implementation of lifting wavelet transform of JPEG2000 with efficient RPA(Recursive Pyramid Algorithm) realization

被引：0
|
作者：
Jung, GC [1 ]
Park, SM
机构：
[1] Chonnam Natl Univ, Dept Elect Engn, Kwangju 500757, South Korea
[2] Chonnam Natl Univ, Dept Comp Engn, Kwangju 500757, South Korea
来源：
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2005年 / E88A卷 / 12期
关键词：
lifting based DWT; RPA; JPEG2000;
D O I：
10.1093/ietfec/e88-a.12.3508
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents an efficient VLSI architecture of biorthogonal (9,7)/(5,3) lifting based discrete wavelet transform that is used by lossy or lossless compression of JPEG2000. To improve hardware utilization of RPA (Recursive Pyramid Algorithm) implementation, we make the filter that is responsible for row operations of the first level perform both column operations and row operations of the second and following levels. As a result, the architecture has 66.7-88.9% hardware utilization. It requires 9 multipliers, 12 adders, and 12N line memories for N x N image, which is smaller hardware complexity compared to that of other architectures with comparable throughput.
引用
收藏
页码：3508 / 3515
页数：8
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