16 lines
460 B
Python
16 lines
460 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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white_count = np.sum(img == 255)
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black_count = np.sum(img == 0)
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print(f"1. 白色像素(255)数量：{white_count}，黑色像素(0)数量：{black_count}")
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img_flip = np.fliplr(img)
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print("\n2. 水平翻转后：")
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print(img_flip)
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img_rot90 = np.flipud(img.T)
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print("\n3. 逆时针旋转90度后：")
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print(img_rot90) |