17 lines
390 B
Python
17 lines
390 B
Python
import numpy as np
|
|
image = np.array([
|
|
[100, 150, 200],
|
|
[80, 120, 180],
|
|
[60, 90, 140]
|
|
], dtype=np.uint8)
|
|
print("原图:")
|
|
print(image)
|
|
image_dark = np.clip(image - 20, 0, 255)
|
|
print("\n1. 变暗20后:")
|
|
print(image_dark)
|
|
image_crop = image[0:2, 0:2]
|
|
print("\n2. 裁剪左上角(2x2):")
|
|
print(image_crop)
|
|
image_flip = np.fliplr(image)
|
|
print("\n3. 水平翻转:")
|
|
print(image_flip) |