Files
2026-04-16 15:43:44 +08:00

29 lines
498 B
Python
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import numpy as np
image = np.array([
[100, 150, 200],
[80, 120, 180],
[60, 90, 140]
], dtype=np.uint8)
print("原图:")
print(image)
print("-" * 20)
image_dark = image - 20
image_dark = np.clip(image_dark, 0, 255)
print("变暗20后")
print(image_dark)
print("-" * 20)
image_crop = image[0:2, 0:2]
print("裁剪左上角2×2后")
print(image_crop)
print("-" * 20)
image_flip = np.fliplr(image)
print("水平翻转后:")
print(image_flip)