Welcome to Jetson ORIN NANO SUPER repository

当製品の日本語版マニュアル資料は、こちらからご取得ください。

13.Add circular shape

Add circular shape

Add circular shape1. Implementation principle2. Implementation effect3. Implementation code

1. Implementation principle

Use the cv2.circle() function to draw a circle on the image.

2. Implementation effect


cd ~/opencv


xxxxxxxxxx
python3 13.image_draw_circle.py

3. Implementation code


x
import cv2
def draw_circle(input_path, output_path, center, radius, color, thickness):
    image = cv2.imread(input_path)
    if image is None:
        print("Error: Unable to open image file.")
        return
    cv2.circle(image, center, radius, 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_circle('/home/jetson/opencv/images/yahboom_logo.png', \
           '/home/jetson/opencv/images/yahboom_logo_circle.png', \
           (88, 50), 30, (0, 0, 255), 2)

Add rectangles

Add ellipses