1 September 1992 Optical N4 implementation of a two-dimensional wavelet transform
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Abstract
A two-dimensional wavelet transform is implemented by a bank of wavelet transform filters in the Fourier domain. An optical N4 multichannel correlator architecture is proposed to perform parallel optical 2-D wavelet transforms. A holographic recording scheme is proposed to implement such a wavelet transform filter array. The optical experimental results are presented using the computer-generated transmittance masks as the wavelet transform filters.
Yunlong Sheng, Thomas Taiwei Lu, Danny Roberge, H. John Caulfield, "Optical N4 implementation of a two-dimensional wavelet transform," Optical Engineering 31(9), (1 September 1992). https://doi.org/10.1117/12.59962
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