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题名: The Image Processing of Droplet for Evaporation Experiment in SJ-10
作者: Xue, Changbin; Feng, Yanhui; Yu, Qiang
作者部门: 空间技术部
通讯作者: Yu, Qiang (yuqiang@nssc.ac.cn)
关键词: Drops ; Evaporation ; Laplace transforms ; Polynomials
刊名: Microgravity Science and Technology
ISSN号: 0938-0108
出版日期: 2017
页码: 1-8
收录类别: EI
英文摘要: We have completed an experiment for droplet evaporation processing using Young-Laplace fitting, exponent fitting, polynomial fitting and ellipse fitting, which could be used for multiple shapes of droplets. The droplet evaporation experiment test was an important science experiment in SJ-10. In order to get the change process of the physical parameter, such as the touching edges and the droplet evaporation rate, we had gained the contour edge image of the droplet and used mathematic method to do the fitting analysis. The accuracy of the physical parameter was depended on the accuracy of the mathematic fitting. Using the original Young-Laplace fitting method could not process all the images of evaporation and liquid interface from the space experiment facility of SJ-10, especially the smaller droplet images. We could get more accurate contour fitting and result using the new method described in this article. This article proposes a complete solution, including edge detecting and contour fitting. In edge detecting, Canny detector was applied to extract droplet edge. In contour fitting, Young-Laplace fitting, exponent fitting, polynomial fitting and ellipse fitting are designed to fit the contour of droplets, which make the solution apply to all of droplets in SJ-10. © 2017 Springer Science+Business Media Dordrecht
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.nssc.ac.cn/handle/122/5744
Appears in Collections:空间技术部_期刊论文

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