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Generation of optical Haar wavelets by zone plates

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Abstract

Optical Haar wavelets are generated by zone plates that are designed to realize the bipolar nature of Haar wavelets. We present a circular Haar wavelet in two-dimensional space, which can extract the edge and corner features simultaneously, and characterize its properties with computer simulations. A comparison with rectangular Haar wavelets is also given.

© 1994 Optical Society of America

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