YI-HSUAN YANGHOMER H. CHEN2018-09-102018-09-102009http://www.scopus.com/inward/record.url?eid=2-s2.0-70349220926&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/350598conference paper10.1109/ICASSP.2009.4959919