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Why is my .png image file's text not made editable in Acrobat DC pro?

Explorer ,
Aug 09, 2016 Aug 09, 2016

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I have an image which contains text. I imported it to Acrobat DC and tried to use the OCR but the text does not get recognised, made into live text or placed in to editable text blocks. Does OCR not work on certain types of images?

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Acrobat SDK and JavaScript

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correct answers 1 Correct answer

Explorer , Aug 09, 2016 Aug 09, 2016

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Found out the hard way. It can't OCR white text on a black background. I inverted the image in photoshop and job done, Acrobat recognised the text!!

Thanks for the posted answers.

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LEGEND ,
Aug 09, 2016 Aug 09, 2016

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Is the PNG at 200 ppi or more, a scan of a clean white paper original (not photocopy or fax) with text in paragraphs of common English?

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Community Expert ,
Aug 09, 2016 Aug 09, 2016

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The image format doesn't matter. What matters is the resolution of the image (the higher the better) and the quality of the scan and the text in it.

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Explorer ,
Aug 09, 2016 Aug 09, 2016

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Correct Answer:

Found out the hard way. It can't OCR white text on a black background. I inverted the image in photoshop and job done, Acrobat recognised the text!!

Thanks for the posted answers.

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Community Expert ,
Aug 09, 2016 Aug 09, 2016

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Acrobat's OCR is pretty good, but no match for dedicated OCR applications. For more challenging OCR jobs (like your's, or two different languages in the same document), I keep a dedicated OCR application around. It's a bit more cumbersome to use vs. just clicking the "recognize text in this file" tool, but when needed, it does a better job.

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New Here ,
Jul 12, 2022 Jul 12, 2022

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Hi Karl, great suggestion. Any dedicated OCR applications you would recommend?

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