On April 11, 2011, officials from China and Laos held an unveiling ceremony of a new boundary tablet at the Mohan-Boten border crossing point.

2011年4月11日，中国老挝边界第一次联合检查界碑揭幕仪式在云南磨憨—磨丁口岸举行。

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Boundary contour of the tablet image should be extracted when the shape defect is detected for the rotundity tablets in blister packaging.

检测泡罩包装中的药片是否存在形状缺陷，需要提取药片图像边缘轮廓。

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