On lattice structure and design of orthogonal and biorthogonal multifilter banks

Toshiyuki Uto; Satoshi Nakahara; Masaaki Ikehara

On lattice structure and design of orthogonal and biorthogonal multifilter banks

Toshiyuki Uto, Satoshi Nakahara, Masaaki Ikehara

研究成果: Paper › 査読

抄録

This paper describes a lattice structure and a design for orthogonal and biorthogonal multiwavelets. First, we factorize the polyphase matrices of symmetric-antisymmetric multifilter bank into elementary low-order building blocks. Second, we transform a tree-structured multiwavelet system into an equivalent scalar filter bank in order to design optimal multifilter banks. Simulation results show that the proposed orthogonal and biorthogonal multiwavelets have superior performance to the popular multiwavelet S A4 and the (9,7)-tap scalar wavelet.

本文言語	English
ページ	237-240
ページ数	4
出版ステータス	Published - 2003 12 17
イベント	Proceedings: 2003 International Conference on Image Processing, ICIP-2003 - Barcelona, Spain 継続期間: 2003 9 14 → 2003 9 17

Other

Other	Proceedings: 2003 International Conference on Image Processing, ICIP-2003
国/地域	Spain
City	Barcelona
Period	03/9/14 → 03/9/17

ASJC Scopus subject areas

ハードウェアとアーキテクチャ
コンピュータビジョンおよびパターン認識
電子工学および電気工学

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引用スタイル

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AB - This paper describes a lattice structure and a design for orthogonal and biorthogonal multiwavelets. First, we factorize the polyphase matrices of symmetric-antisymmetric multifilter bank into elementary low-order building blocks. Second, we transform a tree-structured multiwavelet system into an equivalent scalar filter bank in order to design optimal multifilter banks. Simulation results show that the proposed orthogonal and biorthogonal multiwavelets have superior performance to the popular multiwavelet S A4 and the (9,7)-tap scalar wavelet.

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On lattice structure and design of orthogonal and biorthogonal multifilter banks

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