Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53696#.VM85jCzQrzE Author(s) Sergey Gavrilov 1 , Mamoru Kubo 2 , Vu Anh Tran 1 , Duc Luu Ngo 1 , Ngoc Giang Nguyen 1 , Lan Anh T. Nguyen 1,3 , Favorisen Rosyking Lumbanraja 1 , Dau Phan 1 , Kenji Satou 2 Affiliation(s) 1 Graduate School of Natural Science and Technology, Kanazawa University, Kanazawa, Japan . 2 Institute of Science and Engineering, Kanazawa University, Kanazawa, Japan . 3 Department of Computer Science, Hue University of Education, Hue, Vietnam . ABSTRACT We developed a ground observation system for solid precipitation using two-dimensional video disdrometer (2DVD). Among 16,010 particles observed by the system, around 10% of them were randomly sampled and manually classified into five classes which are snowflake, snowflake-like, intermediate, graupel-like, and graupel. At first, each particle was represented as a vector of 72 f...
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