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August 29, 2015 13:57
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| import matplotlib as mpl | |
| import pylab as pl | |
| def colorHist(pngFile): | |
| a = pl.imread(pngFile) | |
| b = mpl.colors.rgb_to_hsv(a[...,:3])[...,1].flatten() | |
| vals,bins,dummy = pl.hist(b,256,visible=False) | |
| #chop off the first bin because its white | |
| pl.plot(bins[1:],vals[1:]) | |
| pl.show() |
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