The most common blister defects in zinc alloy die casting were described. The reason for the defect formation was analyzed and an approach to defect decrease was offered.
介绍了锌合金压铸件中最常见的起泡缺陷，分析了起泡产生的原因，提出了解决问题的办法。
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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