Java OCR implementation

Question

This is primarily just curiosity  but are there any OCR implementations in pure Java  I m curious how this would perform purely in Java  and OCR in general interests me  so I d love to see how it s implemented in a language I thoroughly understand  Naturally  this would require that the implementation is open source  but I m still interested in proprietary solutions  as I could at least check out the performance in that case   I ve seen a couple which can be used in Java  like Asprise  but it doesn t seem that these are pure Java implementations    are there any

User · Answer

We have tested a few OCR engines with Java like Tesseract Asprise  Abbyy etc  In our analysis  Abbyy gave the best results

User · Answer

If you are looking for a very extensible option or have a specific problem domain you could consider rolling your own using the Java Object Oriented Neural Engine  Another JOONE reference   I used it successfully in a personal project to identify the letter from an image such as this  you can find all the source for the OCR component of my application on github  here

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Just found this one  don t know it  not tested  check yourself  Ron Cemer Java OCR  As you only need this for curiosity you could look into the source of this applet  It does OCR of handwritten characters with a neural network Java OCR  Handwriting Recognition

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I recommend trying the Java OCR project on sourceforge net   I originally developed it  and I have a blog posting on it   Since I put it up on sourceforge  its functionality been expanded and improved quite a bit through the great work of a volunteer researcher developer   Give it a try  and if you don t like it  you can always improve it

User · Answer

There are a variety of OCR libraries out there  However  my experience is that the  major commercial implementations  ABBYY  Omnipage  and ReadIris  far outdo the open-source or other minor implementations  These commercial libraries are not primarily designed to work with  Java  though of course it is possible   Of course  if your interest is to learn the code  the open-source implementations will do the trick

[java] Java OCR implementation

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