Differences

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--- color_difference [2025/06/14 13:54] – frchris
+++ color_difference [2025/06/15 15:21] (current) – frchris
@@ Line 8: / Line 8: @@
 The picture below shows two ways to reduce a full color picture into a picture using only 6 colors.  Each uses the same 6 colors. Each replaced every pixel with the one of the 6 colors, using the "closest" color.
+It comes down to how you determine "close".  The Euclidean distance is on the left, and the ΔE* distance is used on the right,
 {{ https://www.tandfonline.com/cms/asset/58c5a5b6-c286-461c-ba51-b79232484124/usca_a_2348432_f0006_c.jpg}}
+References
+  - [[https://hajim.rochester.edu/ece/sites/gsharma/ciede2000/|CIEDE2000 color-difference formula]]
+  - [[https://www.w3.org/Graphics/Color/sRGB.html| sRGB Matrices]]
+  - [[https://github.com/mr-rycho/cielab-demo.git| CIELab demo]]