How to identify segmented pics Numbers and Letters by comparing them to a set of templates?
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Hey everyone, I'm kina new to the whole image processing experience in MatLab. I would really appreciate any sort of guidance or tutorial regarding the stage i'am currently stuck on:
I actually trying to code for a letter and number recognition program, so far i have managed to remove most of unwanted parts in a pic and proceeded to extract all connected components which allowed me to get the segmented numbers and letters of interest.
Coming to the stage that i'm currently stuck on: Having a set of templates for the letters and numbers, i would like compare each template with the segmented numbers/letters and then proceed to display the name of the template that a segmented number/letter matches to. And maybe, if possible to view the percentage of how the segmented pic matches the template.
Once again i would appreciate any sort of guidance or any sort of input on how to proceed to solve this issue.
Thanking you in advance.
Hash L.
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Accepted Answer
Image Analyst
on 8 May 2014
See my demo (below the image, in blue text) that uses normalized cross correlation.
3 Comments
Image Analyst
on 12 May 2014
Yes, though performance degrades as the stuff you're looking for rotates or magnifies/demagnifies.
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