Hsiao, J.-H.J.-H.HsiaoChen, C.-S.C.-S.ChenChien, L.-F.L.-F.ChienMING-SYAN CHEN2018-09-102018-09-102006http://www.scopus.com/inward/record.url?eid=2-s2.0-78649847501&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/323699Image copy detection via grouping in feature space based on virtual prior attacksconference paper10.1109/ICIP.2006.3128882-s2.0-78649847501