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HDR Visual Difference Predictor
HDR Visual Difference Predictor (HDR VDP) is a perceptual metric that can predict whether differences between two images....
DeltaE
A calculator for color difference....
color difference compare colors color calculator color difference
Test::Number::Delta
Test::Number::Delta is a Perl module to compare the difference between numbers against a given tolerance....
difference Perl module numbers numbers difference tolerance numbers
Chombo
Chombo project provides a set of tools for implementing finite difference methods for the solution of partial equations....
difference finite differential equations finite difference methods rectangular grids