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From "Dan Dorazio (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PDFBOX-3438) only garbage extracted, lots of warnings "No Unicode mapping..."
Date Tue, 08 May 2018 03:20:00 GMT

    [ https://issues.apache.org/jira/browse/PDFBOX-3438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16466804#comment-16466804

Dan Dorazio commented on PDFBOX-3438:

It doesn't seem like any real efforts are being made to enhance this

We decided to assess what 'garbage' output meant using a Hashmap of the
characterset returned and, if it met that condition, we sent it through an
OCR engine, like Tesseract.

Hope that helps.

> only garbage extracted, lots of warnings "No Unicode mapping..."
> ----------------------------------------------------------------
>                 Key: PDFBOX-3438
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3438
>             Project: PDFBox
>          Issue Type: Wish
>          Components: Text extraction
>    Affects Versions: 2.0.2
>            Reporter: Oliver Steinau
>            Priority: Major
>         Attachments: PDFBOX-3438.diff, PDFBOX-3438.txt, test.pdf
> When I try to extract text from this PDF, I get lots of warnings "No Unicode mapping
for ...", and as output I only get garbage.
> PDF file displays fine in Acrobat Reader, and pdftotext.exe will extract the text just
> PDF file seems to have a Type-1 font embedded with a custom encoding.

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