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https://issues.apache.org/jira/browse/TIKA-3258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17264425#comment-17264425
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Hudson commented on TIKA-3258:
------------------------------
SUCCESS: Integrated in Jenkins build Tika ยป tika-main-jdk8 #125 (See
[https://ci-builds.apache.org/job/Tika/job/tika-main-jdk8/125/])
TIKA-3258 -- in Tika 2.0.0, the default for OCR'ing of PDFs is 'auto'
(tallison:
[https://github.com/apache/tika/commit/4bd897a7df772c208fb6918b6b7559e37e5ec3b9])
* (edit)
tika-parsers/tika-parsers-classic/tika-parsers-classic-modules/tika-parser-pdf-module/src/main/resources/org/apache/tika/parser/pdf/PDFParser.properties
* (edit)
tika-parsers/tika-parsers-classic/tika-parsers-classic-modules/tika-parser-pdf-module/src/main/java/org/apache/tika/parser/pdf/PDFParserConfig.java
* (edit)
tika-parsers/tika-parsers-classic/tika-parsers-classic-modules/tika-parser-ocr-module/src/main/java/org/apache/tika/parser/ocr/TesseractOCRParser.java
* (edit)
tika-parsers/tika-parsers-classic/tika-parsers-classic-modules/tika-parser-pdf-module/src/main/java/org/apache/tika/parser/pdf/OCR2XHTML.java
* (edit)
tika-parsers/tika-parsers-classic/tika-parsers-classic-modules/tika-parser-pdf-module/src/main/java/org/apache/tika/parser/pdf/AbstractPDF2XHTML.java
* (edit)
tika-parsers/tika-parsers-classic/tika-parsers-classic-package/src/test/java/org/apache/tika/parser/pdf/PDFParserTest.java
* (edit) CHANGES.txt
> 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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