电宇智控视觉组2_1

#使用 opencv 库读取 1.png
import cv2

sunset=cv2.imread("sunset.jpeg")

#x 轴、y 轴同时翻转后保存为 1_1.png
xy=cv2.flip(sunset,-1)
cv2.imwrite('1_1.png', xy)

#对其右下角一个形状为（400，400，3）的区域绕 x 轴，y 轴同时反转
height, width = sunset.shape[:2]
start_x = width - 400
start_y = height - 400
end_x = width
end_y = height
if start_x < 0 or start_y < 0:
    print("Error: Image size is smaller than 400x400")
    exit()

region = sunset[start_y:end_y, start_x:end_x]
flipped_region = cv2.flip(region, -1)
cv2.imshow('Flipped Region', flipped_region)
cv2.waitKey(0)
cv2.imwrite('1_2.png', flipped_region)
cv2.destroyAllWindows()