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https://issues.apache.org/jira/browse/TIKA-3258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17259814#comment-17259814
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Tim Allison edited comment on TIKA-3258 at 1/6/21, 3:44 PM:
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[~adidier], y, that's exactly the type of refinement we'd want to consider
adding to {{AUTO}} mode. The current method is based on input from
[~lfcnassif] IIRC...
Improvements to {{AUTO}} are a separate issue, though. Are you ok with this
choice default?
I just opened TIKA-3264 to capture that discussion.
was (Author: [email protected]):
[~adidier], y, that's exactly the type of refinement we'd want to consider
adding to {{AUTO}} mode. The current method is based on input from
[~lfcnassif] IIRC...
Improvements to {{AUTO}} are a separate issue, though. Are you ok with this
choice default?
> Run OCR on PDFs with 'auto' mode as default in Tika 2.0.0
> ---------------------------------------------------------
>
> Key: TIKA-3258
> URL: https://issues.apache.org/jira/browse/TIKA-3258
> Project: Tika
> Issue Type: Improvement
> Reporter: Tim Allison
> Priority: Major
>
> In Tika 1.x we currently have the fiddly mess that users have to configure
> OCR of PDFs...it doesn't just work out of the box. We did this initially
> because of concerns (well, reality) of crazy resource consumption for some
> PDFs that can have thousands of images per page that are stitched together to
> make a reasonable composite.
> Since then, we've added option 2, which renders each page and then runs OCR
> on that composite image rather than running OCR on each inline image...so
> we'll only call tesseract once per page. Second, we've added an 'auto' mode
> that runs OCR only on pages that didn't have much text extracted. While
> there is plenty of room for improvement in the 'auto' heuristic, I think we
> should move to running OCR automatically on PDFs as default in 2.0.0.
> Under this proposal, users will now have to disable OCR if they have
> tesseract installed but don't want to run it on PDFs.
> This will be a breaking change, and we'll make sure to document it early and
> often in the "Breaking Changes" sections of the readme.txt.
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