c# - Image OCR - Filtering unwanted data -


basically i'm reading vehicle license plates using tessract ocr, despite being able emphasise text enough via changing contrast, reducing noise on, 'parts' of vehicle remain on image cause ocr throw bad results.

for example take:

enter image description here

i can change enough, such as:

enter image description here

i'm looking eliminate edges off each plate, here's example:

enter image description here

i remove edges using pixel manipulation algorithm, don't feel it's right method, , cause quite lot of problems.

i've been using following application test various methods such morphology , eliminating unwanted data, far haven't been successful.

http://www.codeproject.com/kb/gdi-plus/image_processing_lab.aspx

however knowledge of use application on article above achieve want i'm trying, feel free give try.

thanks

please try use stroke width transformation concept.

this concept use segment text natural images.....


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