Estimation of fuzzy memberships from histograms |
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Authors: | BBharathi Devi VVS Sarma |
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Affiliation: | School of Automation, Indian Institute of Science, Bangalore 560012, India |
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Abstract: | Based on the conclusions drawn in the bijective transformation between possibility and probability, a method is proposed to estimate the fuzzy membership function for pattern recognition purposes. A rational function approximation to the probability density function is obtained from the histogram of a finite (and sometimes very small) number of samples. This function is normalized such that the highest ordinate is one. The parameters representing the rational function are used for classifying the pattern samples based on a max-min decision rule. The method is illustrated with examples. |
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