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I m new to VB.NET and I need to develop an optical character recognition in VB.NET for my project. Can anybody help me with a sample code??
Posted 24-Apr-13 10:00am
Gaurav9253
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joshrduncan2012 at 24-Apr-13 15:03pm
   
What have you done to accomplish this task? Have you googled for any existing projects to see what others have done?

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Solution 1

This is not as easy as you may think.
 
Open-source OCR of acceptable quality if quite hard to find. One popular open-source project which has .NET wrappers is Tesseract:
http://en.wikipedia.org/wiki/Tesseract_%28software%29[^].
 
This is one of such .NET projects: http://code.google.com/p/tesseractdotnet/[^].
 
I found a number of much more interesting works on CodeProject, but I cannot say any of them are complete; there are more of the research projects. Please see the CodeProject articles:
 
Neural Network OCR[^],
Creating Optical Character Recognition (OCR) applications using Neural Networks[^],
Neural Network Classifier[^],
A C# Project in Optical Character Recognition (OCR) Using Chain Code[^],
Unicode Optical Character Recognition[^],
Hebb neural network[^],
Backpropagation Artificial Neural Network in C++[^],
OCR Line Detection[^].
 
I have to warn you: some of these works are very good, much better compared to the quality I complained about above, but none of these works is completed into a ready-to-use application. They all require considerable amount of work to complete to such level.
 
Maybe there are newer projects I'm not familiar with; so it would not hurt if you do your own search in CodeProject and elsewhere. Please, if you find something good, please reply in the comment to this answer.
 
—SA
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