Efficient and Effective Total Variation Image Super-Resolution: A Preconditioned Operator Splitting Approach

Figure 9

Convergence performance of three methods in the Gaussian blur with support size 3×3, standard deviation 0.5, and Gaussian noise with variance 5 case: measured by PSNR value of the SR reconstructed (a) “Lena” image, (b) “Cameraman” image, measured by ReDiff value of the SR reconstructed (c) “Lena” image, (d) “Cameraman” image.

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