How to remove convexity defects in a Sudoku square?

This video explains
How to remove convexity defects in a Sudoku square?

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Music by Eric Matyas
https://www.soundimage.org
Track title: Puddle Jumping Looping

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Chapters
00:00 Question
02:51 Accepted answer (Score 270)
06:23 Answer 2 (Score 224)
11:11 Answer 3 (Score 6)
11:42 Answer 4 (Score 2)
14:50 Thank you

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Full question
https://stackoverflow.com/questions/1019...

Question links:
[Simple Digit Recognition OCR in OpenCV-Python]: https://stackoverflow.com/questions/9413...
[this image.]: http://web.archive.org/web/2014060110044...

Answer 1 links:
[Image transformation in OpenCV]: https://stackoverflow.com/questions/1036...

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Content licensed under CC BY-SA
https://meta.stackexchange.com/help/lice...

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Tags
#python #opencv #computervision #sudoku