Santos, Cid A N Ultrasound Image Despeckling Using Stochastic Distance-Based BM3D. [electronic resource] - IEEE transactions on image processing : a publication of the IEEE Signal Processing Society Jun 2017 - 2632-2643 p. digital Publication Type: Journal Article ISSN: 1941-0042 Standard No.: 10.1109/TIP.2017.2685339 doi