WebFeb 24, 2024 · Add a comment. 1. rect = cv2.minAreaRect (contour) box = cv2.boxPoints (rect) center = rect [0] size = rect [1] angle = rect [2] rect is array of length 3 which consists of center, size and angle of contour … WebJun 19, 2024 · OpenCV-Python教程:19.轮廓属性. 帮你计算一些属性，比如重心，面积等。. 你可以从这个里面得到有用的数据比如面积，重心等。. 重心可以用下面的式子得到：. 可以用cv2.arcLength ()函数得到。. 第二个参数指定形状是否是闭合的轮廓（如果传True）。. 或 …
关于不同版本opencv的cv2.minAreaRect函数问题 - 知乎
WebCv2. BoxPoints Method (RotatedRect, OutputArray) Finds the four vertices of a rotated rect. Useful to draw the rotated rectangle. The function finds the four vertices of a rotated rectangle.This function is useful to draw the rectangle.In C++, instead of using this function, you can directly use RotatedRect::points method. Web返回值rect内包含该矩形的中心点坐标、高度宽度及倾斜角度等信息，使用cv2.boxPoints ()可获取该矩形的四个顶点坐标。. # 获取最小外接矩阵，中心点坐标，宽高，旋转角度 rect = cv2.minAreaRect (points) # 获取矩形四个顶点，浮点型 box = cv2.boxPoints (rect) # 取整 box = np.int0 ... michelle workman interiors
新视界-OpenCV教程(19)- 轮廓：特征 - 知乎 - 知乎专栏
WebAug 16, 2024 · 但是要绘制一个矩形，我们需要矩形的四个角，因此为了将Box2D结构转换为4个角点，OpenCV提供了另一个函数cv2.boxPoints()，这将Box2D结构作为输入并返回4个角点。4个角点从y最高的点开始按顺时针顺序排列。语法如下： points = cv2. … WebMar 21, 2024 · It's good work, but here's my question. you use cv2.boxPoints in base.py::generate_ground_truth to make four vector.And it seems you think the first point of return values is bottom left point. But in this problem, it proves that the first point is the lowest point instead of bottom left point.. And I also have a experiment and the result is … WebMar 21, 2024 · It's good work, but here's my question. you use cv2.boxPoints in base.py::generate_ground_truth to make four vector.And it seems you think the first point … michelle word