Hi!
I am trying to write a program that measures the percentage of black in the input taken from the webcam. How can I do this? I was thinking I should use histograms but have no idea on how to use it. Can you help me?
If you want to use histogram, you will need to get a histogram of monochrome frame by converting the image to grayscale. Or you can convert the image to HSV and compute the histogram of V component.
A tutorial on histograms is available in the documentation at http://docs.opencv.org/doc/tutorials/imgproc/histograms/histogram_calculation/histogram_calculation.html?highlight=histogram
Asked: 2012-09-17 07:54:28 -0600
Seen: 751 times
Last updated: Oct 02 '12
