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A volume holographic wavelet correlation processor for performing rotation invariant Pattern recognitionis suggested.It uses wavelet transform to get the digital edge extraction of the original object and a singlecircular harmonic component iS used as the matched filter to get good rotation invariance.The new filterused in this method is called wavelet circular harmonic component fllter (WCHCF).Simulation resultsvalidate the theory and the experiment to recognize human faces with any rotation angle shows the utilityof the newly proposed method.
A volume holographic wavelet correlation processor for performing rotation invariant Pattern recognition is suggested. It uses wavelet transform to get the digital edge extraction of the original object and a singlecircular harmonic component iS used as the matched filter to get good rotation invariance. New filterused in this method is called wavelet circular harmonic component fllter (WCHCF). Simulation result validate the theory and the experiment to recognize human faces with any rotation angle shows the utility of the newly proposed method.