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TV restoration -- Finding the optimal parameter γ in Image Denoising -- (2012)

Software for Computing the optimal γ for TV denoising
Jianping Zhang, Ke Chen and Bo Yu (2012),
``An Iterative Lagrange Multiplier Method for Constrained Total Variation-Based Image Denoising"
SIAM J. Numer. Analysis, Vol 50(3) pp. 983-1003, 2012. See PDF file.

run_zcy.m (Matlab driver file)
Code_SINUM_2012.zip (Matlab files)

See the left image for an example with Gaussian noise and its optimal restoration result by the method. (Note: with optimal γ=524.66, PSNR=29.98 but with a fixed γ=2000, psnr=28.52); of course for TV, a Bregman idea can be combined for even better results.