Comparing images by color

Asked Sep 27 '11 at 02:03

Active Sep 27 '11 at 02:06

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Possible Duplicate:
How to reduce color palette with PIL

I'm trying to create a program that can identify similar images based off common colors. I've been experimenting with histograms and some of the filters in PIL but I feel like I'm reinventing the wheel. So:

How can I reduce an image to X number of colors?

edited May 23 '17 at 12:27

Community

asked Sep 27 '11 at 02:03

gEr

PIL can easily reduce the number of colors in an image. See http://stackoverflow.com/questions/1065945/how-to-reduce-color-palette-with-pil – Mark Ransom Sep 27 '11 at 02:09
1

Voting to close as duplicate. Remember to use ADAPTIVE to avoid dithering – Dr. belisarius Sep 27 '11 at 02:42

Comparing images by color

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