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Chaehui LEE
Dept. of Inf. And Comm. Eng., Pukyong National Univ.
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Hyunsoo JEONG
Dept. of Inf. And Comm. Eng., Pukyong National Univ.
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Kyu-Chil PARK
Dept. of Inf. And Comm. Eng., Pukyong National Univ.
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Jihyun PARK
Institute of Acoustic and Vibration Eng., Pukyong National Univ.