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    <p>I have a java application where I ended up deciding to use <a href="http://code.google.com/p/tesseract-ocr/" rel="nofollow">Tesseract OCR</a>, and just call out to it using <code>Runtime.exec()</code>. Perhaps not quite the answer you need, but just in case you'd not considered it.</p> <hr> <h3>Edit + code added in response to comment reply</h3> <ul> <li>On a Windows installation I think I was able to use an installer, or unzip a ready made binary.</li> <li><p>On a Linux server, I needed to compile Tesseract myself, but it's not too hard if you're used to that kind of thing (gcc); the only gotcha is that there's a dependency on <a href="http://www.leptonica.com/" rel="nofollow">Leptonica</a> which also needs to be compiled.</p> <pre><code>// Tesseract can only handle .tif format, so we have to convert it ImageIO.write( ImageIO.read( new java.io.File(file.getPath())), "tif", tmpFile[0]); String[] tesseractCmd = new String[]{"tesseract", tmpFile[0].getAbsolutePath(), StringUtils.removeEnd(tmpFile[1].getAbsolutePath(), ".txt")}; final Process process = Runtime.getRuntime().exec(tesseractCmd); try { int exitValue = process.waitFor(); if(exitValue == 0) { final String extractedText = SearchableTextExtractionUtils.extractPlainText(new FileReader(tmpFile[1])); return extractedText; } throw new SearchableTextExtractionException(exitValue, Arrays.toString(tesseractCmd)); } catch (InterruptedException e) { throw new SearchableTextExtractionException(e); } finally { process.destroy(); } </code></pre></li> </ul>
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    1. PODo any Java OCR tools convert images of text into editable text files?
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    1. PODo any Java OCR tools convert images of text into editable text files?
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    1. COThanks for the input. Tesseract is proving to be extremely difficult to set up. Would you be able to enlighten me on how you set it up? Also, a resource on how to properly implement Runtime.exec() would be great. Thanks again for your help.
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    2. COAdded code & comment as edit to post
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    3. COThis looks great. I was able to get something working with the command line using runtime.exec, but tesseract still isn't installing. I think the reason why is because my Mac OS is outdated (version 10.5.8), and it doesn't have certain linux commands like "make" and "sudo apt-get". I can't download XCode to get those commands because its only available for 10.6 and later. I also can't install gcc because of that. Do you know of a simpler OCR engine that works on 10.5.8 by chance? Thanks again for your help. If you don't know of any, I'll try a different machine.
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