Tesseract: TIFF file: Warning. Invalid resolution 0 dpi. Using 70 instead.

Created on 9 Nov 2017  路  3Comments  路  Source: tesseract-ocr/tesseract

When sending a TIFF file through tesseract I get this error

Warning. Invalid resolution 0 dpi. Using 70 instead.

TIFF
https://i.imgur.com/uwXa8gK.png

picture clarkk

All 3 comments

Tesseract 3.05.0

clarkk picture clarkk on 9 Nov 2017

Please read https://github.com/tesseract-ocr/tesseract/wiki#support.

stweil picture stweil on 9 Nov 2017
👎25

Maybe these are useful resources:

https://github.com/tesseract-ocr/tesseract/issues/649
https://groups.google.com/forum/#!forum/tesseract-ocr

By the way, if you're using imagemagick's convert to prepare your images, be sure to set the -units PixelsPerInch option together with -density [your-density] to set correctly the dpi metadata.

guglie picture guglie on 11 Apr 2018
🎉1
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