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How does the FindContours function from the OpenCV library work?

I can not find any information about which methods are implemented in the FindContours function. I need related articles or just the names of the involved algorithms.

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Check out the OpenCV API . This is what he says on page 344, where FindContours described:

The function extracts the contours from the binary image using the algorithm [19]. Contours are a useful tool for analyzing the shape and object of detection and recognition.

If you look in the bibliography at the end of the document, this is link 19:

S. Suzuki and K. Abe. topological structural analysis of digitized binary images along the border. CVGIP, 30 (1): 32-46, April 1985.

Sounds like a good starting point. In addition, there is always a source if you want detailed information about the implementation.

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Source: https://habr.com/ru/post/1337437/

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