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Optical Engineering

Optical wavelet transform
Author(s): Yunlong Sheng; Danny Roberge; Harold H. Szu
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Paper Abstract

The wavelet transform is implemented using an optical multichannel correlator with a bank of wavelet transform filters. This approach provides a shift-invariant wavelet transform with continuous translation and discrete dilation parameters. The wavelet transform filters can be in many cases simply optical transmittance masks. Experimental results show detection of the frequency transition of the input signal by the optical wavelet transform.

Paper Details

Date Published: 1 September 1992
PDF: 6 pages
Opt. Eng. 31(9) doi: 10.1117/12.59916
Published in: Optical Engineering Volume 31, Issue 9
Show Author Affiliations
Yunlong Sheng, Univ. Laval (Canada)
Danny Roberge, Univ. Laval (Canada)
Harold H. Szu, Naval Surface Warfare Ctr. (United States)

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