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https://issues.apache.org/jira/browse/PDFBOX-582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12853444#action_12853444
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Andreas Lehmkühler commented on PDFBOX-582:
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I've added Maruans patch with version 930909. Now the text isn't rendered as
intended.
Thanks for the contribution
> Ignoring text over images
> -------------------------
>
> Key: PDFBOX-582
> URL: https://issues.apache.org/jira/browse/PDFBOX-582
> Project: PDFBox
> Issue Type: Improvement
> Components: Text extraction, Utilities
> Affects Versions: 0.8.0-incubator
> Reporter: Villu Ruusmann
> Attachments: PageDrawer.patch, pg_0005.pdf, pg_0005.png
>
>
> Scientific publishers often publish older articles (year 2000 and earlier) in
> scanned form. However, sometimes they seem to have conducted OCR, and added
> the recovered text as an overlay in order to give the end user a "native PDF"
> feeling in a sense that it is possible to copy and paste text.
> PDFBox differs from other PDF viewers (tested with Adobe Acrobat Reader 7.0,
> Foxit Reader 3.1, iText 2.1) so that it tries to render both the image part
> and the textual overlay part, which may produce confusing results.
> Actually, there are two separate cases:
> *) Page rendering (class org.apache.pdfbox.pdfviewer.PageDrawer): Render the
> image part and ignore the text part.
> *) Text extraction (class org.apache.pdfbox.util.PDFTextStripper): Ignore the
> image part and work upon the text part.
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