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OCR字符视觉检测系统在牛奶生产线的应用

浏览量
  奶制品需求量的增加,奶制品行业的规模化、标准化、机械化、组织化水平大幅提升,质量监管不断加强,机器视觉OCR字符视觉检测系统为保障奶制品的品质上作出了积极贡献。
  With the increasing demand for dairy products, the scale, standardization, mechanization and organization of dairy industry have been greatly improved, and the quality supervision has been strengthened. The OCR character visual inspection system of machine vision has made positive contributions to the quality of dairy products.
  机器OCR字符视觉检测系统检测牛奶包装喷码字符,当检测到牛奶包装喷码有字符错误的情况时,系统发送信号给报警装置进行报警或停机处理。
  The machine OCR character vision detection system detects the spray code characters of milk packaging. When it detects that there is a character error in the spray code of milk packaging, the system sends a signal to the alarm device for alarm or shutdown processing.
OCR字符视觉检测系统
  工作流程:
  Workflow:
  1.在牛奶自动化包装生产线上安装OCR字符检测系统;
  OCR character detection system is installed in the milk automatic packaging production line;
  2.包装上进行喷码后进入视觉检测工位时,通过触发机器视觉传感器拍摄牛奶包装顶部三期喷码图片送入系统,自动化检测系统对图片进行提取分析并和设定的良品字符图像特征做比对;
  When entering the visual inspection station after code spraying on the package, the machine vision sensor was triggered to shoot the three-phase spray code pictures on the top of milk packaging and sent them to the system. The automatic detection system extracted and analyzed the pictures and compared them with the set character image features of good products;
  3.当视觉系统检测到牛奶包装喷码不合格时,系统发出信号到剔除装置给予剔除处理及报警提示。
  When the vision system detects that the milk packaging spray code is unqualified, the system sends a signal to the rejection device to give rejection processing and alarm prompt.
  测试条件
  Test conditions
  产品测试时,视场有一定的容忍空间,但是并不意味着目标可以在视场里任意出现,至少需要保证检测特征全部出现在视场内且有一定包容空间,以便于寻找特征。可以根据具体的要求设置相应的视觉大小,选择合适分辨率的相机,然后识别喷码。根据要求,我们将视野设置为150*120mm。镜头的工作距离设置为350mm,光源的距离设置为280mm,这样可以有比较大的工作空间。
  In product testing, there is a certain tolerance space in the field of view, but it does not mean that the target can appear arbitrarily in the field of view. At least, it is necessary to ensure that all detection features appear in the field of view and have a certain tolerance space, so as to find features easily. We can set the corresponding visual size according to the specific requirements, select the appropriate resolution camera, and then recognize the spray code. According to the requirements, we set the field of vision to 150 * 120mm. The working distance of the lens is set to 350mm, and the distance of the light source is set to 280mm, so that there is a larger working space.
  检测界面
  Detection interface
OCR字符视觉检测系统检测界面
  牛奶生产线应用OCR字符视觉检测系统,不仅可以快速对牛奶包装日期喷码进行检测,还能及时剔除日期喷码不合格产品,在提高生产效率和检测精度的同时,大幅节约了人工成本。
  The application of OCR character visual inspection system in milk production line can not only quickly detect the date spray code of milk packaging, but also timely eliminate the unqualified products with date spray code, which can improve the production efficiency and detection accuracy, and greatly save the labor cost.
  人工检测生产日期喷码缺陷劳动强度大、智能化水平低、效率低等问题,OCR字符视觉检测系统实现了对牛奶制品生产日期缺码、模糊码等缺陷检测,达到预期的检测效果。
  Manual detection of production date spray code defects, labor intensity, low level of intelligence, low efficiency, OCR character visual inspection system to achieve the desired detection results of milk products production date missing code, fuzzy code and other defects detection.