hobson
/ simple_cb.py
Last active
April 13, 2018 17:41
— forked from DavidYKay/simple_cb.py
Simple color balance algorithm using Python 2.7.8 and OpenCV 2.4.10. Ported from: http://www.morethantechnical.com/2015/01/14/simplest-color-balance-with-opencv-wcode/
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| """ White balance (color balance) | |
| Adjust colors to flatten color histogram peaks and broaden color spectrum for better color contrast. | |
| This is also sometimes called white balancing or probability distribution whitening. | |
| References: | |
| - Color balance algorithm in [OpenCV](http://www.morethantechnical.com/2015/01/14/simplest-color-balance-with-opencv-wcode/) | |
| - Ported to python by [DavidYKay](https://github.com/DavidYKay) | |
| - Optimized (`O(N^2)` -> `O(N)`) by @alxrsngartn funded in part by NSF grant number 1722399 to [Aira](http://github.com/aira) (@jmeyers-aira) | |
| - Incorporated into [nlpia](github.com/aira/nlpia) by @hobson |