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task-3-1-3-Matrix-Fundament…/练习1.py
2026-04-16 15:55:20 +08:00

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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()
darkened = np.clip(image.astype(np.int16) - 20, 0, 255).astype(np.uint8)
print("变暗20后的图像:")
print(darkened)
print()
cropped = image[0:2, 0:2]
print("裁剪左上角(2×2区域):")
print(cropped)
print()
flipped = np.fliplr(image)
print("水平翻转后的图像:")
print(flipped)