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http://dx.doi.org/10.5391/JKIIS.2014.24.6.665

Analysis and Detection Method for Line-shaped Echoes using Support Vector Machine  

Lee, Hansoo (Department of Electrical and Computer Engineering, Pusan National University)
Kim, Eun Kyeong (Department of Electrical and Computer Engineering, Pusan National University)
Kim, Sungshin (Department of Electrical and Computer Engineering, Pusan National University)
Publication Information
Journal of the Korean Institute of Intelligent Systems / v.24, no.6, 2014 , pp. 665-670 More about this Journal
Abstract
A SVM is a kind of binary classifier in order to find optimal hyperplane which separates training data into two groups. Due to its remarkable performance, the SVM is applied in various fields such as inductive inference, binary classification or making predictions. Also it is a representative black box model; there are plenty of actively discussed researches about analyzing trained SVM classifier. This paper conducts a study on a method that is automatically detecting the line-shaped echoes, sun strobe echo and radial interference echo, using the SVM algorithm because the line-shaped echoes appear relatively often and disturb weather forecasting process. Using a spatial clustering method and corrected reflectivity data in the weather radar, the training data is made up with mean reflectivity, size, appearance, centroid altitude and so forth. With actual occurrence cases of the line-shaped echoes, the trained SVM classifier is verified, and analyzed its characteristics using the decision tree method.
Keywords
Radar Data Analysis; Support Vector Machine; Sun Strobe Echo; Radial Interference Echo; Classification;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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