Use eigenvectors to find dominant colors in an image.
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README.md

Dominant colors in an image

I use eigenvectors to figure out what might be the most dominant colors in an image. It requires opencv-3+ to run. This code is part of the tutorial here: http://aishack.in/tutorials/dominant-color/

References

M Orchard and C Bouman, Color Quantization of Images, Transactions on Signal Processing, 1991