Calchist for RGB histogram on my frame

asked 2014-01-17 03:35:50 -0500

lilouch gravatar image

I have a frame with a define area and i want to calcul the histogram of it. I don't know how to do this. i want to use calchist but this function need a mask and for a mask i use inRange but is it necessary ? Because i just want to have a histogramme of my area using calcHist.

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