The Design of Low-Complexity Linear-Phase FIR Filter Banks Using Powers-of-Two Coefficients with an Application to Subband Image Coding

被引：9

作者：

Horng, Bor-Rong ^{[1
]}

Samueli, Henry ^{[1
]}

Willson, Alan N., Jr. ^{[1
]}

机构：

[1] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90024 USA

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY | 1991年 / 1卷 / 04期

关键词：

Image Processing - Image Coding - Mathematical Techniques - Algorithms;

D O I：

10.1109/76.120771

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：

An optimization technique is presented for the design of multiplierless two-channel linear-phase finite-duration impulse-response (FIR) filter banks. It is shown to yield filter banks with good filtering performance and nearly perfect signal reconstruction. The design employs filters whose coefficients are represented by a canonic signed-digit (CSD) code. When applied to subband image coding (his technique provides an easy way to design low-complexity analysis/synthesis filter banks for high-performance codecs. Examples concerning filler design and the application of such filters to subband image coding are given.

引用

页码：318 / +

页数：8

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