how to find histogram of black runs in horizontal direction of image?

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priya
priya 2012-3-25
how to find histograms of black runs in the horizontal and vertical directions and of white runs in the horizontal direction? anyone pls

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Image Analyst
Image Analyst 2012-3-25
Histogram of what? Then lengths of the runs? If so, just extract one column (or row) at a time and do the usual (thresholding and regionprops) followed by histogramming. If you need more help than that, upload your image somewhere so we can see it.

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