2

By curiosity, I tried the state of the art denoiser BM3D [0] on the very first image from the OP; I used as parameters a putative white noise with variance of 0.0012, and find the result excellent: The color and luminance noise are gone and the fine structures of the clouds are revealed. [0] Mäkinen, Ymir, Lucio Azzari, and Alessandro Foi. "Exact ...


Only top voted, non community-wiki answers of a minimum length are eligible