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https://issues.apache.org/jira/browse/TIKA-93?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13895057#comment-13895057
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Chris A. Mattmann commented on TIKA-93:
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Good work on #2 Grant. As for #1, you could take several paths like you
mentioned:
1. Build an OCR parser, and then intercept (using MIME detection/MAGIC and/or
precedence; or by writing a custom Detector) the detection step to map your OCR
parser to PDF files.
2. Declare your Parser's support via its static SUPPORTED_TYPES for PDF related
OCR.
Happy to iterate with you on this.
> OCR support
> -----------
>
> Key: TIKA-93
> URL: https://issues.apache.org/jira/browse/TIKA-93
> Project: Tika
> Issue Type: New Feature
> Components: parser
> Reporter: Jukka Zitting
> Priority: Minor
>
> I don't know of any decent open source pure Java OCR libraries, but there are
> command line OCR tools like Tesseract
> (http://code.google.com/p/tesseract-ocr/) that could be invoked by Tika to
> extract text content (where available) from image files.
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