OpenCV python 绘制椭圆形

OpenCV python 绘制椭圆形

import numpy as np
import cv2


def main():

    # 1.创建白色背景图片
    d = 400
    img = np.ones((d, d, 3), np.uint8) * 255

    # 2.设置椭圆中心点， 长短轴
    center = (round(d/2), round(d/2))
    size = (100, 200)

    # 2.循环绘制椭圆
    for i in range(0, 10):

        # 随机角度，线宽
        angle = np.random.randint(0, 361)
        thickness = np.random.randint(1, 9)

        # 随机颜色
        color = np.random.randint(0, high=256, size=(3,)).tolist()

        # 绘制椭圆
        cv2.ellipse(img, center, size, angle, 0, 360, color, thickness)

    # 3.显示结果
    cv2.imshow("img", img)

    cv2.waitKey()
    cv2.destroyAllWindows()


if __name__ == '__main__':
    main()

处理结果图片