28 lines
578 B
Python
28 lines
578 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"白色像素(255)数量：{white_count}")
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print(f"黑色像素(0)数量：{black_count}")
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print("-" * 20)
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img_flip = np.fliplr(img)
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print("水平翻转后的图像：")
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print(img_flip)
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print("-" * 20)
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img_transpose = img.T
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img_rot90_ccw = np.fliplr(img_transpose)
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print("逆时针旋转90度后的图像：")
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print(img_rot90_ccw) |