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26 October 2011 Despeckling in SAR images by matching pursuit of subband coherent structures using the library of wavelet bases
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Abstract
A new despeckling method based on matching pursuit of subband coherent structures of a wavelet-decomposed SAR image is suggested. The iterative pursuit of coherent structures within each subband is organized as an adaptive thresholding of wavelet coefficients using the best wavelet basis chosen from the library of bases minimizing the cost function. The processed image is formed as the cumulative sum of the pseudo images computed by applying of inverse wavelet transform within each iteration. The results of computer modeling have shown the superb quality of the enhanced images obtained by the proposed method in the sense of different criteria as MSE, PSNR, SSIM.
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Yuri S. Bekhtin and Andrey A. Bryantsev "Despeckling in SAR images by matching pursuit of subband coherent structures using the library of wavelet bases", Proc. SPIE 8179, SAR Image Analysis, Modeling, and Techniques XI, 81790T (26 October 2011); https://doi.org/10.1117/12.897902
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