Total Variation-Based Image Restoration Using I-Divergence


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Abstract


This paper proposes I-divergence and TV-based image restoration model for recovering the sharp image from the blurred noisy image. This model is first formalized as the optimization problem, and then it is converted into Euler-Lagrange equation, which is solved by the gradient descent flow. The experiments verify that PSNR and BSNR of our I-divergence and TV based image restoration model is superior to those of the least squared criterion and TV based image restoration model in the identical problem.
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Keywords


Image Restoration; Total Variation; I-Divergence

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