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Analysis of 100 Years of Movie Posters (Around the World) (files.catbox.moe)

submitted 1 day ago by Blaze@sopuli.xyz to c/dataisbeautiful@mander.xyz

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[–] Ephera@lemmy.ml 3 points 12 hours ago

Not a colorololologist either, but I'm guessing, you scan it and then calculate the average of the individual pixels. You can convert RGB color values to HSV color values to get the hue, saturation and value.

But calculating the average of the hue degrees (like was done for this post) is non-sense.
0° is red, as is 360°, so you get completely different averages, depending on how you calculate them:

(0°+120°+240°) / 3 → 120° (green)
(360°+120°+240°) / 3 → 240° (blue)