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Fractional α-order restoration -- New Image Denoising Model (2015)
Software for demostrating a total fractional α-order derivatives based variational model for image denoising

Jianping Zhang and Ke Chen (2015),
``A Total Fractional-Order Variation Model for Image Restoration with Non-homogeneous Boundary Conditions and its Numerical Solution",
SIAM Journal on Imaging Sciences, Vol 8 (4), 2015, pp. 2487-2518
See PDF file.
------ Applicable to Deblurring and Registration ------


See the left image for an example of restoring a very smooth image (better than TV / mean curvature -- yet convex)
(Note: the code works without knowing the true z of course, but PSNR would need this z.)