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https://issues.apache.org/jira/browse/TIKA-2749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16733501#comment-16733501
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Tim Allison commented on TIKA-2749:
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On caching, that would be neat, but I worry that that will be application
specific...or, "handler" specific.
On configurability of turning off OCR per file, that seems doable outside of
the hack I recommended.
On adding a metadata value for "has images that might be OCR-able"...if you use
the /rmeta endpoint on documents generally, you should be able fairly easily to
determine if there are image files...but I think we could do better for PDFs
(the point of this ticket!)...So, y, that's a great recommendation.
> OCR on PDFs should "just work" out of the box
> ---------------------------------------------
>
> Key: TIKA-2749
> URL: https://issues.apache.org/jira/browse/TIKA-2749
> Project: Tika
> Issue Type: Task
> Reporter: Tim Allison
> Priority: Major
>
> There are now two different ways (with various parameters) to trigger OCR on
> inline images within PDFs. The user has to 1) understand that these are
> available and then 2) elect to turn one of those on.
> I think we should make OCR'ing on PDFs "just work" perhaps with a hybrid
> strategy between the 2 options. Users should still be allowed to configure
> as they wish, of course.
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