How to decide the standard deviation of a true image that contains noise

liuhuang31 / BM3D-Denoise

Using BM3D to denoise

BSD 3-Clause "New" or "Revised" License

211 stars 53 forks source link

How to decide the standard deviation of a true image that contains noise #5

Open hanshantong opened 4 years ago

hanshantong commented 4 years ago

Hello, liuhuang31, I have a question is as following: if the standard deviation of the image that is passed to the BM3D algorithm is not known, how the BM3D to denoise that image, in this situation, the standard deviation is whether or necessary?