Recognizing 72 dpi

Discussions about machine vision support in GdPicture.
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leonidus
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Joined: Thu Feb 18, 2010 5:56 pm

Recognizing 72 dpi

Post by leonidus » Wed Jun 29, 2011 1:38 pm

Can GdPicture Tesseract OCR Engine recognize screenshots (72 dpi) ?
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leonidus
Posts: 5
Joined: Thu Feb 18, 2010 5:56 pm

Re: Recognizing 72 dpi

Post by leonidus » Thu Jun 30, 2011 9:52 am

Help!
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Loïc
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Re: Recognizing 72 dpi

Post by Loïc » Fri Jul 01, 2011 12:27 pm

Hi,

OCR usually requires 200 DPI image. Since you deal with 72 DPI, you can try to scale the image using the Scale method.

IE:

Code: Select all

oGdPictureImaging.Scale(200/72*100)
Kind regards,

Loïc
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