cv::convexHull(points, hull)
时间: 2024-04-23 08:28:44 浏览: 13
cv::convexHull(points, hull)是OpenCV中的一个函数,用于找到二维点集的凸包。该函数的定义如下:void cv::convexHull(InputArray points, OutputArray hull, bool clockwise=false, bool returnPoints=true)。\[1\]\[2\]\[3\]其中,points是输入的点集,hull是输出的凸包,clockwise表示是否按顺时针方向返回凸包的点,returnPoints表示是否返回凸包的点坐标。该函数使用了Sklansky算法,具有O(N logN)的时间复杂度。
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