Chang, R.-I.R.-I.ChangWu, Y.-Y.Y.-Y.WuChang, Ray-IRay-IChangWu, Yu-YingYu-YingWuRAY-I CHANG2018-09-102018-09-102007http://www.scopus.com/inward/record.url?eid=2-s2.0-46749126260&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/332753Internet search by active feedbackconference paper10.1109/ISCIT.2007.4392258