Ive wrote:

> Are you aware that this tool (like most others) will not apply the 
> required inverse gamma correction and will result in the usual washed 
> out colors similar to jpeg image maps when used with 3.7 or 
> assumed_gamma 1.0 ?
> And to mention it again: wrong gamma correction does not only give wrong 
> brightness intensities, it changes also the hue.


Proper gamma handling on input images is definitely needed, especially 
for formats that do not carry information, there needs to be a way of 
specifying the intended gamma for that image.

I can deal with adjusting the colors I use easily, but adjusting images 
could get tiresome.

I've found in images where I started with 3.7 or assumed_gamma of 1.0, I 
get the right saturation in the final image.
-- 
~Mike

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