Dyadic-based factorizations for regular paraunitary filter banks

被引：0
|
作者：
Chen, YJ [1 ]
Oraintara, S [1 ]
Amaratunga, K [1 ]
机构：
[1] MIT, Intelligent Engn Syst Lab, Cambridge, MA 02139 USA
来源：
2004 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL II, PROCEEDINGS: SENSOR ARRAY AND MULTICHANNEL SIGNAL PROCESSING SIGNAL PROCESSING THEORY AND METHODS | 2004年
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D O I：
暂无
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：
M-channel paraunitary filter banks (PUFBs) can be designed and implemented using either degree-one or order-one dyadic-based factorization. This paper summarizes how regularity of a desired degree is structurally imposed on such factorizations for any number of channels M greater than or equal to 2 and any phase responses. The regularity conditions are found to be conveniently expressed in terms of recently reported M-channel lifting structures, which allow fast and reversible implementations. Design examples are presented and they outperform previously reported ones in transform-based image coding.
引用
收藏
页码：965 / 968
页数：4
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