Performs tone mapping on an openexr image (icam)
exricamtm input.exr blur.exr output.exr
Performs the non-linear response compression portion of the iCAM tone mapping algorithm described in this paper:
G.M. Johnson and M.D. Fairchild. Rendering HDR Images. IS&T/SID 11th Color Imaging Conference. 36-41 (2003)
The input image should be normalized, and the whitepoint image should be at the same scale factor as the input image. The output image should be normalized before viewing.
Billy Biggs <[email protected]>.