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find outlined text in an image and cut the outline text ; with python

asked 2019-07-17 10:37:14 -0500

marquest gravatar image

Hi everybody, I am looking for a way to find outlined text in an image in the first step and cut the outline text and save it in a seperate images in the second (python)

I try out a few CV function, but nothing works. Iss there somebody who can handle this problem? C:\fakepath\ausschnitt .png --> example of image

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answered 2019-07-25 09:57:19 -0500

Chris gravatar image

Would something like the following work?

Here are the steps for the images below.

  1. convert the image to mono with cvtColor

  2. use threshold with binary_inverse and a zero threshold value

  3. use findContours with list and filter contours by area

From here you can get the remaining contour rectangle and extract/save this roi in the original image to a file.

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Asked: 2019-07-17 10:37:14 -0500

Seen: 76 times

Last updated: Jul 25