Derivating HDR-IPT direct and inverse transformations
Following my work on the filmic tonemapping, several users have reported issues with very saturated blue areas (stage spotlights, bright skies) and red areas. The grail of image processing is being able to affect colors and brightness independantly. This is promised by several (too many) colorspaces (L*a*b*, Luv, CIECAM02, etc.) that, unfortunately, fail [...]