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Thai OCR using Template Matching Algorithm By Manoch Pracha Assignment 1
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Algorithm Load the test bitmap picture Detect Lines and Characters Y-Axis profile for detecting lines Line locations Nbr-8 for labeling each characters Labels (Blob Coloring) Finding bounding box for each character Compute the center of mass for each character Sort the character (center bottom top) Feed the sorted data to Template matching to recognize each character
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3 line's Thai character detection Using center of mass to determine the character detecting order : center, bottom, top respectively.
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Detect Lines and Characters
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Template Matching
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Problems and Errors Single character, more than one “label” “i” “:” “%” “ ฐ ” “ แ ” “ ะ ” Similarity “ ด ” “ ค ”
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