Python中的连续图像遮罩

import cv2
import numpy as np

image = cv2.imread('image.jpg')

mask = np.zeros(image.shape[:2], dtype=np.uint8)

# 矩形遮罩
rectangle = cv2.rectangle(mask, (x1, y1), (x2, y2), (255, 255, 255), -1)

# 圆形遮罩
center = (x, y)
radius = r
circle = cv2.circle(mask, center, radius, (255, 255, 255), -1)

# 多边形遮罩
points = np.array([[x1, y1], [x2, y2], [x3, y3], [x4, y4]], np.int32)
polygon = cv2.fillPoly(mask, [points], (255, 255, 255))

masked_image = cv2.bitwise_and(image, image, mask=mask)

cv2.imshow('Masked Image', masked_image)
cv2.waitKey(0)
cv2.destroyAllWindows()