Wavelet synthesis by alternating projections

被引：12
|
作者：
Pesquet, JC
Combettes, PL
机构：
[1] ECOLE SUPER ELECT,GDR TDSI,GIF SUR YVETTE,FRANCE
[2] CUNY,GRAD SCH,NEW YORK,NY 10021
[3] CUNY CITY COLL,DEPT ELECT ENGN,NEW YORK,NY 10031
来源：
IEEE TRANSACTIONS ON SIGNAL PROCESSING | 1996年 / 44卷 / 03期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1109/78.489050
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：
The coefficients of the quadrature mirror filters involved in orthonormal wavelet or wavelet packets signal decompositions are often chosen in an ad hoc manner. In order to adapt such a decomposition to the signal being analyzed, it may be pertinent to maximize an energy concentration criterion, which leads to a constrained optimization problem, In this correspondence, a simple geometric interpretation of this problem is given, and an alternating projection method is proposed to solve it.
引用
收藏
页码：728 / 732
页数：5
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