exrnlm(1) perform non-linear masking correction on an OpenEXR image


exrnlm input.exr blur.exr output.exr


Performs the non-linear masking function described in this paper:

N. Moroney. Local Color Correction Using Non-Linear Masking. IS&T 8th Color Imaging Conference, 108-111 (2000).

The input image should be normalized, and the whitepoint image should be at the same scale factor as the input image.


Billy Biggs <[email protected]>.