CHAR-DIR CHUNGJ.-F. ChangR.R. TaurT.-H. ChuH.-J. LiY.-T. SuY.-W. KiangS.-L. SuM.-P. ShihH.-D. LinCHAR-DIR CHUNG2018-09-102018-09-101993-06http://scholars.lib.ntu.edu.tw/handle/123456789/304265conference paper