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Binarized composite filter design using majority-granted nonlinearity
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DOI：10.1016/S0045-7906(97)00020-7.png)
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Abstract
En 中文
A voting scheme for the construction of composite filter for distortion-invariant optical pattern recognition is addressed. The motivation is the limited modulation capability of the spatial light modulator (SLM) which is incorporated as a design constraint in the form of majority-granted nonlinearity. The technique is simple, and less computationally extensive nevertheless resulting in a robust enough SLM-realizable distortion-invariant correlator. Simulation results are presented for rotation invariant character recognition, which shows better correlation discrimination and robust recognition for threshold detectors. (C) 1997 Elsevier Science Ltd.
Keywords:
distortion-invariance
composite filter
pattern recognition
majority-granted nonlinearity
spatial light modulator
binary filter
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6.7K
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