25 lines
503 B
Python
25 lines
503 B
Python
import numpy as np
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image = np.array([
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[100, 150, 200],
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[80, 120, 180],
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[60, 90, 140]
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], dtype=np.uint8)
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print("原图:")
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print(image)
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print("-" * 30)
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image_dark = (image.astype(np.int16) - 20).astype(np.uint8)
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print("操作1:变暗20后:")
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print(image_dark)
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print("-" * 30)
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image_crop = image_dark[0:2, 0:2]
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print("操作2:裁剪左上角2×2后:")
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print(image_crop)
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print("-" * 30)
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image_flip = np.fliplr(image_crop)
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print("操作3:水平翻转后:")
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print(image_flip) |