图像的简单操作，比如：读取，显示，膨胀，腐蚀，边缘提取，等等。...

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图像的简单操作，比如：读取，显示，膨胀，腐蚀，边缘提取，等等。-image of a simple operation, such as : read, display, expansion, corrosion, edge extraction, and so on.