title: Java OCR implementation
body: <p>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.</p>
  
  <p>I've seen a couple which can be used in Java (like <a href="http://asprise.com/home/" rel="noreferrer">Asprise</a>) but it doesn't seem that these are pure Java implementations... are there any?</p>