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1 October 1992 Optical N4 correlator implementation of 2D wavelet transform
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Abstract
We propose optical multichannel N4 correlator for implementation of the wavelet transform of two dimensional function, that yields four dimensional wavelet transform coefficients. We propose also the optical wavelet matched filter for two dimension pattern recognition. Advantage of this new band-pass matched filter is we can select image features to be enhanced by choosing the wavelet functions before the matched filtering. Experimental results are shown.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yunlong Sheng, Thomas Taiwei Lu, and Danny Roberge "Optical N4 correlator implementation of 2D wavelet transform", Proc. SPIE 1705, Visual Information Processing, (1 October 1992); https://doi.org/10.1117/12.138468
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