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Fig. 4 | BMC Medical Imaging

Fig. 4

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

Fig. 4

Results obtained with the compared filters applied to the Shepp-Logan phantom image corrupted with Rayleigh-distribution noise (standard deviation (sigma) = 1.3). a The noisy image and its corresponding enlarged representative region labeled with the red rectangle. b The ideal image. c-e Outputs of the compared filters, 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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