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图像添加椭圆

图像添加椭圆1、实现原理2、实现效果3、实现代码

1、实现原理​

使用cv2.ellipse()函数在图像上绘制椭圆。

2、实现效果​

x cd ~/opencv x python3 14.image_draw_ellipse.py

注意：选中图片按q可以退出程序！

image-20250106172939112

3、实现代码​

​ x import cv2 def draw_ellipse(input_path, output_path, center, axes, angle, start_angle, end_angle, color, thickness): image = cv2.imread(input_path) if image is None: print("Error: Unable to open image file.") return cv2.ellipse(image, center, axes, angle, start_angle, end_angle, color, thickness) if cv2.imwrite(output_path, image): print(f"Image saved to {output_path}") cv2.imshow('Image Preview', cv2.imread(output_path)) cv2.waitKey(0) cv2.destroyAllWindows() else: print("Error: Unable to save image file.") draw_ellipse('/home/jetson/opencv/images/yahboom_logo.png', \ '/home/jetson/opencv/images/yahboom_logo_ellipse.png', \ (400, 85), (375, 75), 0, 0, 360, (0, 255, 0), 2)