Chen, L.-G.L.-G.ChenKu, C.-W.C.-W.KuLIANG-GEE CHEN2020-06-112020-06-111998https://scholars.lib.ntu.edu.tw/handle/123456789/499281Multimedia visual telephone systembook part10.1109/9780470545348.ch192-s2.0-85051931674https://www.scopus.com/inward/record.uri?eid=2-s2.0-85051931674&doi=10.1109%2f9780470545348.ch19&partnerID=40&md5=3a4f2ff95f7e8bdab8d60e35ada228c1