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https://issues.apache.org/jira/browse/TIKA-2749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16732043#comment-16732043
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Markus Mandalka commented on TIKA-2749:
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Another nice thing would be to cache OCR results of images (which i am doing by
an Open Semantic ETL option by plain text cache files named by hash of the
image/maybe in future in an Solr index) so same images which are in many
documents like logos would not be OCRd multiple/many times.
> 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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