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Fig. 3 | BMC Medical Imaging

Fig. 3

From: Nonlocal total variation based on symmetric Kullback-Leibler divergence for the ultrasound image despeckling

Fig. 3

Results obtained with the compared filters applied to the Shepp-Logan phantom image corrupted with Gamma-distribution noise (standard deviation (sigma) = 1.3). aThe noisy image and its corresponding enlarged representative region labeled with the red rectangle. bThe ideal image and its corresponding representative region. (c)-(e)Outputs of the compared filters and the same representative regions corresponding to the filtered image, c BNLTV, d SAR-BM3D, e The proposed method. BNLTV = Bayesian NLTV; SAR-BM3D = blocking matching 3D filter of SAR image

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BMC Medical Imaging

ISSN: 1471-2342

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