How to separate horizontly on the basis of gaps or space

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Sayed
Sayed 2013-11-6
回答： Image Analyst 2013-11-6
Hello friends,
I am trying to separate all characters vertically separated through gaps/spaces as highlighted in image through red, blue and green color
If I am trying to use bwlabel, it is separating connected components. thus I am losing ligatures and dots. Any help by providing me the link or sample code shall be highly appreciated.
Regards

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回答（1 个）

Image Analyst
Image Analyst 2013-11-6
For this simple case, I'd just get profiles. I would sum the image horizontally and vertically and look for spikes.
horizontalProfile = sum(grayImage, 1); % Sum across all rows.
verticalProfile = sum(grayImage, 2); % Sum across all columns.
But for more sophisticated algorithms, you'll need to check the OCR literature: http://iris.usc.edu/Vision-Notes/bibliography/contentschar.html#OCR,%20Document%20Analysis%20and%20Character%20Recognition%20Systems

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