| 基于亚像素边缘检测的液位测量系统研究 |
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| 引用本文： | 肖俊,刘瑾,杨海马,刘海珊,韦钰,陈十进,解光耀.基于亚像素边缘检测的液位测量系统研究[J].仪表技术与传感器,2019(4):90-94. |
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| 作者姓名： | 肖俊 刘瑾 杨海马 刘海珊 韦钰 陈十进 解光耀 |
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| 作者单位： | 上海工程技术大学电子电气工程学院;上海理工大学光电信息与计算机工程学院 |
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| 基金项目： | 国家自然科学基金项目(61701296);上海市自然科学基金项目(17ZR1443500);上海工程技术大学实践教学建设项目(P201702003) |
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| 摘 要： | 针对化工、医药等领域中透明试剂的液位测量存在精度低、智能化水平达不到要求的问题。文中在线阵CCD测量技术基础上提出一种非接触透射式的高精度液位检测系统,采用一维图像亚像素边缘检测算法确定液位边缘,再进行阈值比较与直线拟合分析,确定液位像素点坐标,实现液位快速高精度测量。经过多次实验验证,测量范围为5~25mm时,误差低于10μm,分辨率优于5μm。
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| 关 键 词： | 亚像素 液位测量 边缘检测 高精度 线阵CCD |
Study of Liquid Level Measurement System Based on Subpixel Edge Detection |
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| XIAO Jun,LIU Jin,YANG Hai-ma,LIU Hai-shan,WEI Yu,CHEN Shi-jin,XIE Guang-yao.Study of Liquid Level Measurement System Based on Subpixel Edge Detection[J].Instrument Technique and Sensor,2019(4):90-94. |
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| Authors: | XIAO Jun LIU Jin YANG Hai-ma LIU Hai-shan WEI Yu CHEN Shi-jin XIE Guang-yao |
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| Affiliation: | (College of Electronic and Electrical Engineering,Shanghai University of Engineering Science,Shanghai 201620,China;School of Optical-Electrical and Computer Engineering,University of Shanghai forScience and Technology,Shanghai 200093,China) |
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| Abstract: | XIAO Jun;LIU Jin;YANG Hai-ma;LIU Hai-shan;WEI Yu;CHEN Shi-jin;XIE Guang-yao(College of Electronic and Electrical Engineering,Shanghai University of Engineering Science,Shanghai 201620,China;School of Optical-Electrical and Computer Engineering,University of Shanghai forScience and Technology,Shanghai 200093,China) |
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| Keywords: | sub-pixel level measurement edge detection high precision linear CCD |
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