Color Correction Tool - web demo

How it works

The target camera has a color cast. Pick matching color patches, and a 3x3 + offset matrix is fit by least squares to map target colors onto the reference. Ctrl+drag on the reference to add a patch.

Patches

Count0
RMS before-
RMS after-

Correction matrix

------------

3x3 channel mix + offset column (last). Identity until at least 4 patches are picked.

Preview correction on

Reference (Ctrl+drag to add patch)

Target (uncorrected)

Corrected

Patch samples