Lai, K.-T.K.-T.LaiChen, M.-S.M.-S.ChenHsieh, C.-H.C.-H.HsiehLai, M.-F.M.-F.LaiMING-SYAN CHEN2018-09-102018-09-102011http://www.scopus.com/inward/record.url?eid=2-s2.0-80655126736&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/364742Orientation histogram of SIFT displacement for recognizing actions in broadcast videosconference paper10.1109/EuVIP.2011.60455162-s2.0-80655126736