A LAPPED DIRECTIONAL WAVELET TRANSFORM BASED ON B-SPLINES

被引：0

作者：

Fujinoki, Kensuke ^{[1
]}

Ashizawa, Keita ^{[2
]}

机构：

[1] Tokai Univ, Dept Math Sci, Hiratsuka, Kanagawa, Japan

[2] Maizuru Coll, Natl Inst Technol, Dept Elect & Comp Engn, Maizuru, Japan

来源：

2017 INTERNATIONAL CONFERENCE ON WAVELET ANALYSIS AND PATTERN RECOGNITION (ICWAPR) | 2017年

关键词：

Spline wavelet; Lapped transform; Directional selectivity; Polyphase decomposition; COMPACTLY SUPPORTED WAVELETS;

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

We present a lapped directional wavelet transform. The directional selectivity of the wavelet transform is improved by using a redundant polyphase decomposition. The proposed transform is biorthogonal, and the set of two-dimensional directional filters used for the discrete wavelet transform is based on B-spline functions. Using a modified lifting scheme, we introduce a systematic design method and a fast computational algorithm for these filters.

引用

页码：43 / 47

页数：5

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