The function retrieves contours from the binary image using the algorithm [Suzuki85]. The contours are a useful tool for shape analysis and object detection and recognition.
And:
[Suzuki85] Satoshi Suzuki and others. Topological structural analysis of digitized binary images by border following. Computer Vision, Graphics, and Image Processing, 30(1):32–46, 1985.
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cv::findContours：和：
本文的 DOI 为 10.1016/0734-189X(85)90016-7
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cv::findContours:And:
The DOI for this paper is 10.1016/0734-189X(85)90016-7