Fix DE_94
& DE_CMC
color difference metrics
#461
Merged
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This makes
DE_94
andDE_CMC
quasimetric. Within those metrics, the first argument ofcolordiff
is taken as the reference color. This adds the weight parametersk1
andk2
toDE_94
.This also makes the omission of the metric constructor arguments more flexible.
Edit:DoneDE_94
seems to have a similar problem. I will fix it as well.Fixes #438