This is MATLAB script for image denoising using total-variation and Nesterov's 1st order method A generalized code that can be used to reduce noise from an image If you use the code please cite the following paper
Mukherjee S, Farr JB and Yao W, “A study of total-variation based noise reduction algorithms for low-dose cone-beam computed tomography”, International Journal of Image Processing 10(4), 188-204, 2016.