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From "Matthew Caruana Galizia (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TIKA-2235) Use Tesseract's recommended DPI for PDF images
Date Wed, 01 Mar 2017 15:01:45 GMT

    [ https://issues.apache.org/jira/browse/TIKA-2235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15890324#comment-15890324
] 

Matthew Caruana Galizia commented on TIKA-2235:
-----------------------------------------------

Ah, good catch. OCR'ing inline.

> Use Tesseract's recommended DPI for PDF images
> ----------------------------------------------
>
>                 Key: TIKA-2235
>                 URL: https://issues.apache.org/jira/browse/TIKA-2235
>             Project: Tika
>          Issue Type: Improvement
>          Components: parser
>    Affects Versions: 1.14
>            Reporter: Matthew Caruana Galizia
>            Priority: Minor
>              Labels: ocr, pdf
>             Fix For: 2.0, 1.15
>
>
> From the [Tesseract wiki|https://github.com/tesseract-ocr/tesseract/wiki/ImproveQuality]:
> {quote}
> Tesseract works best on images which have a DPI of at least 300 dpi....
> {quote}
> PDFParserConfig is currently initialised with a value of 200 for ocrDPI.



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