I did not previously know about CIEDE2000. Do you think that's a good candidate
for a new perceptual diff?
All other things being equal, I think there's got to be some merit to using an
ISO standard color difference metric.
-- lg
On Aug 4, 2014, at 5:53 PM, Thiago Ize <[email protected]> wrote:
> Has anyone ever looked into having oiiotool compute a more accurate color
> difference (https://en.wikipedia.org/wiki/Color_difference)? For instance,
> the CIEDE2000. This could help when comparing two images where you only want
> the diff to fail when the two images are perceptually different. In other
> words, if my eyes can't see the difference, I don't want to be informed of a
> failure.
>
> Right now, I can get two pixels with the same error difference and yet one
> pixel will clearly look different between the two images while with the other
> pixel I can't see a single difference on my monitor. This means I either
> have to set my fail thresholds really low and accept getting a bunch of
> images for which I can't tell the difference, or I set the thresholds higher,
> but risk being uninformed of visible image differences.
>
> Thiago
--
Larry Gritz
[email protected]
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