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Representing backscatter fluctuations with a PDF convolution equation and its application to study backscatter variability in side-scan sonar images

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1 Author(s)
Mitchell, N.C. ; Dept. of Geol. Sci., Durham Univ., UK

Image histograms are useful for revealing the relative proportions of geological components in a scene, but these proportions are commonly obscured by the variability caused by signal fading (image speckle). This variability can potentially be reduced by deconvolution because a scene's PDF is related to the Rayleigh log-PDF and PDF of backscatter strengths via a convolution integral. A simple deconvolution algorithm is demonstrated by separating a submarine lava flow from its adjacent sediments in a side-scan sonar image histogram

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Geoscience and Remote Sensing, IEEE Transactions on  (Volume:33 ,  Issue: 6 )