2 Dimensional recursive orthogonal wavelet transformation

Hiromichi Yasuoka; Masaaki Ikehara

doi:10.1109/ICASSP.1994.389858

2 Dimensional recursive orthogonal wavelet transformation

Hiromichi Yasuoka, Masaaki Ikehara

Department of Electronics and Electrical Engineering

Research output: Contribution to journal › Conference article › peer-review

Abstract

The design of 2-Dimensional (2-D) recursive orthogonal wavelet based on iterated filter banks is investigated. To obtain orthogonal wavelet, we use the parallel connection of some delays and 2-D allpass filter. In this case, a pair of digital filters with orthogonal is obtained structurally and digital filters with arbitrarily orders can be designed. Furthermore a maximum number of zeros is put at aliasing frequencies in the lowpass filter to obtain regularity of the wavelet. Design examples of discrete scaling and wavelet functions are presented throughout.

Original language	English
Article number	389858
Pages (from-to)	IV113-IV116
Journal	ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
Volume	4
DOIs	https://doi.org/10.1109/ICASSP.1994.389858
Publication status	Published - 1994 Jan 1
Event	Proceedings of the 1994 IEEE International Conference on Acoustics, Speech and Signal Processing. Part 2 (of 6) - Adelaide, Aust Duration: 1994 Apr 19 → 1994 Apr 22

ASJC Scopus subject areas

Software
Signal Processing
Electrical and Electronic Engineering

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10.1109/ICASSP.1994.389858

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abstract = "The design of 2-Dimensional (2-D) recursive orthogonal wavelet based on iterated filter banks is investigated. To obtain orthogonal wavelet, we use the parallel connection of some delays and 2-D allpass filter. In this case, a pair of digital filters with orthogonal is obtained structurally and digital filters with arbitrarily orders can be designed. Furthermore a maximum number of zeros is put at aliasing frequencies in the lowpass filter to obtain regularity of the wavelet. Design examples of discrete scaling and wavelet functions are presented throughout.",

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AB - The design of 2-Dimensional (2-D) recursive orthogonal wavelet based on iterated filter banks is investigated. To obtain orthogonal wavelet, we use the parallel connection of some delays and 2-D allpass filter. In this case, a pair of digital filters with orthogonal is obtained structurally and digital filters with arbitrarily orders can be designed. Furthermore a maximum number of zeros is put at aliasing frequencies in the lowpass filter to obtain regularity of the wavelet. Design examples of discrete scaling and wavelet functions are presented throughout.

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T2 - Proceedings of the 1994 IEEE International Conference on Acoustics, Speech and Signal Processing. Part 2 (of 6)

Y2 - 19 April 1994 through 22 April 1994

ER -

2 Dimensional recursive orthogonal wavelet transformation

Abstract

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