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样本库的创建和缺陷收集是掌握Cognex表面检测设备使用方法的基础.通过1种图示化的方式说明建立样本库的3种途径和收集缺陷的方法,比较了3种方法的优缺点,提出“在Cognex sv Classifier Mgr中打开历史卷,创建文件夹和新增样本库”的方法,可以批量选择同类缺陷图片,一次性保存到样本库中,收集效率高,值得推荐.“,”The creation of defect library and collection of defect images are the basis to grasp the method to apply the Cognex surface inspection equipment.3 ways of creating defect library and the methods of collecting defect images by the graphic were created.A method named“ Opening the history volume in Cognex SV Classifier Mgr,Creating folders and Building new defect libray” was put forward.The same defect images can be chosen in batch and saved in the defect library simultaneously.This kind of convenient and efficient method to collect defect pictures is recommend.The same kind of defect images could be choosed and be saved simultaneously to the defects library.