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Speckle noise reduction in SAR images using information theory
Chan, Debora Gambini, Juliana Frery, Alejandro C.
Chan, Debora
Gambini, Juliana
Frery, Alejandro C.
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Ponencia en congreso
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Abstract
"In this work, a new nonlocal means filter for single-look speckled data using the Shannon and Renyi entropies is proposed. The measure of similarity between a central window and patches of the image is based on a statistical test for comparing if two samples have the same entropy and hence have the same distribution. The results are encouraging, as the filtered image has better signal-to-noise ratio, it preserves the mean, and the edges are not severely blurred."
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Date
2020
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Ponencia_Chan
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ENTROPIA, FILTROS, RADAR DE APERTURA SINTETICA, RUIDO, DISTRIBUCION