30 lines
583 B
Python
30 lines
583 B
Python
import numpy as np
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img = np.array([
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[255, 255, 0, 0 ],
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[255, 255, 0, 0 ],
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[0, 0, 255, 255],
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[0, 0, 255, 255]
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], dtype=np.uint8)
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print("原图：")
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print(img)
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print()
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white_pixels = np.sum(img == 255)
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black_pixels = np.sum(img == 0)
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print(f"白色像素(255)的数量：{white_pixels}")
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print(f"黑色像素(0)的数量：{black_pixels}")
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print()
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flipped_horizontal = np.fliplr(img)
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print("水平翻转后的图像：")
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print(flipped_horizontal)
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print()
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rotated_ccw = np.flipud(img.T)
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print("逆时针旋转90度后的图像:")
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print(rotated_ccw) |