21 lines
505 B
Python
21 lines
505 B
Python
import numpy as np
|
||
|
||
img = np.array([
|
||
[255, 255, 0, 0],
|
||
[255, 255, 0, 0],
|
||
[0, 0, 255, 255],
|
||
[0, 0, 255, 255]
|
||
], dtype=np.uint8)
|
||
|
||
white_count = np.sum(img == 255)
|
||
black_count = np.sum(img == 0)
|
||
print(f"白色像素数量：{white_count}")
|
||
print(f"黑色像素数量：{black_count}")
|
||
|
||
img_flip = np.fliplr(img)
|
||
print("\n水平翻转后的图像：")
|
||
print(img_flip)
|
||
|
||
img_rot90 = np.fliplr(img.T)
|
||
print("\n逆时针旋转90度后的图像：")
|
||
print(img_rot90) |