| 数字图像技术在颗粒流测量中的应用 |
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| 引用本文： | 陈晨,杨晖,李然,陈晓荣,郑刚.数字图像技术在颗粒流测量中的应用[J].光学仪器,2017,39(6):84-90. |
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| 作者姓名： | 陈晨 杨晖 李然 陈晓荣 郑刚 |
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| 作者单位： | 上海理工大学 光电信息与计算机工程学院, 上海 200093,上海理工大学 光电信息与计算机工程学院, 上海 200093,上海理工大学 光电信息与计算机工程学院, 上海 200093,上海理工大学 光电信息与计算机工程学院, 上海 200093,上海理工大学 医疗器械与食品学院, 上海 200093 |
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| 基金项目： | 国家自然科学基金（11572201，91634202） |
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| 摘 要： | 针对目前颗粒流速度场测量手段较单一的现状,系统介绍了基于数字图像技术的颗粒流速度场测量方法。通过对各种测量原理和使用条件的分析比较,指出了这些方法的特点和存在的主要问题,并结合颗粒流测量特点给出了这些测量方法在颗粒流速度场研究中的具体应用条件。此外,还讨论了数字图像技术在休止角测量方面的应用,以及这些测量方法在国内外的应用情况。这将对后续利用数字图像技术研究颗粒流提供指导。
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| 关 键 词： | 图像处理 颗粒流 速度场 休止角 |
| 收稿时间： | 2017/3/16 0:00:00 |
Application of digital image technology in granular flows measurement |
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| CHEN Chen,YANG Hui,LI Ran,CHEN Xiaorong and ZHENG Gang.Application of digital image technology in granular flows measurement[J].Optical Instruments,2017,39(6):84-90. |
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| Authors: | CHEN Chen YANG Hui LI Ran CHEN Xiaorong and ZHENG Gang |
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| Affiliation: | School of Optical-Electronical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China,School of Optical-Electronical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China,School of Optical-Electronical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China,School of Optical-Electronical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China and School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China |
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| Abstract: | At present,the measurement method for velocity of granular flows is unique.In this paper,some measurement methods based on digital image technologies are introduced.By the analysis and comparison of various measuring principles and operating conditions,the characteristics and main problems of these methods are listed.Considering the characteristics of granular flows measurement,the application conditions of digital image measurement technologies are also discussed in granular flows research.Besides,the application of digital image technology in measuring repose angle and using status of these methods are introduced.The aim of the paper is to have a guiding significance for the further study of granular flows using digital image technology. |
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| Keywords: | image processing granular flows velocity field repose angle |
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