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1ConfussedUser
Participant
January 16, 2020
Question

How does one OCR white text on black background?

  • January 16, 2020
  • 1 reply
  • 5665 views

I have a scanned document with white text on a black background and some black text on white background.

The OCR skips the white image text but converts the black image text to editable text.

How does one get the OCR to conver both white and black image text to editable text?

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1 reply

Luke Jennings
Luke Jennings
Inspiring
January 16, 2020

Do you have good contrast in your scan?

1
1ConfussedUserAuthor
Participant
January 16, 2020
The letters are clear and appear without distortion.

On the same page black text is recognized and convert to editable text by
OCR without issue.

White text on black background is not converted from image to editable text
by OCR. The white text is left as an image.
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David’s mobile
Luke Jennings
Luke Jennings
Inspiring
January 16, 2020

I thought white type recognition worked, as long as you have a nice solid black and clean white. If that's not the case, a work-around would be to open the scan in Photoshop, make a selection around the white type areas and go to File> Adjustments> Invert, save, then OCR in Acrobat.

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