| 基于灰度投影梯度扩散的PET满瓶快速检测 |
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| 引用本文： | 蒋笑笑,张振军,王耀南,周显恩,郑叶欣,彭玉,李明军.基于灰度投影梯度扩散的PET满瓶快速检测[J].电子测量与仪器学报,2016,30(8):1152-1159. |
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| 作者姓名： | 蒋笑笑 张振军 王耀南 周显恩 郑叶欣 彭玉 李明军 |
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| 作者单位： | 湖南大学电气与信息工程学院长沙410082,湖南大学电气与信息工程学院长沙410082,湖南大学电气与信息工程学院长沙410082,湖南大学电气与信息工程学院长沙410082,湖南大学电气与信息工程学院长沙410082,湖南大学电气与信息工程学院长沙410082,佛山市湘德智能科技有限公司佛山528000 |
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| 基金项目： | 国家自然科学基金(61501181)、国家科技支撑计划（2015BAF11B01）、佛山市创新科研团队（00136151140611173）资助项目 |
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| 摘 要： | 设计一种基于灰度投影梯度扩散的PET满瓶快速检测系统。开发了可以得到多角度液位图像的成像系统;提出了基于扩散灰度投影梯度的液位定位算法,对采集的图像二值化,对二值化后图像腐蚀并做垂直方向的灰度投影,根据液位的位置和灰度先验特性对灰度投影梯度进行扩散,最后用扩散后的梯度信息结合实际生产要求,采取双阈值决策算法对样品瓶子是否合格进行判定。选择500 ml的不透明饮料瓶为对象进行测试,实验结果表明算法能够快速准确定位液位,液位定位误差在0.68 mm内,对于1 296×700图像的平均检测时间为23.8 ms;系统的检测正确率达97.2%,速度高达36 000瓶/h。
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| 关 键 词： | PET满瓶检测 灰度投影法 投影梯度扩散 液位定位 |
PET full bottle fast detection based on gradient diffusion of gray projection |
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| Affiliation: | College of Electrical and Information Engineering, Hunan University, Changsha 410082, China;,College of Electrical and Information Engineering, Hunan University, Changsha 410082, China;,College of Electrical and Information Engineering, Hunan University, Changsha 410082, China;,College of Electrical and Information Engineering, Hunan University, Changsha 410082, China;,College of Electrical and Information Engineering, Hunan University, Changsha 410082, China;,College of Electrical and Information Engineering, Hunan University, Changsha 410082, China; and Foshan Xiangde Intelligent Technology Co. Ltd., Foshan 410082, China |
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| Abstract: | An automatic PET full bottle fast detection system based on the gray projection gradient diffusion is researched. This paper mainly researches the mechanical and electrical control system structure of the detection system, and develops the multi angle imaging system. It presents the liquid level location method based on the diffused gradient of gray projection and making identification by adopting a dual threshold decision algorithm according to the actual production requirement. The 500 mL opaque liquid PET bottle is selected as the tested object. The test results show that the method can accurately locate the level with positioning error within 0.68 mm and the system can meet production requirement with a speed of 36 000 bottles an hour and its accuracy is 97.2%. |
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| Keywords: | full bottle detection gray projection method projection gradient diffusion positioning of liquid level |
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