IPSJ SIG Technical Report Vol.2011-EC-19 No /3/ ,.,., Peg-Scope Viewer,,.,,,,. Utilization of Watching Logs for Support of Multi-
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1 ,.,., Peg-Scope Viewer,,.,,,,. Utilization of Watching Logs for Support of Multi-View Video Contents Kosuke Niwa, 1 Shogo Tokai, 3 Tetsuya Kawamoto, 5 Toshiaki Fujii, 4 Marutani Takafumi, 1 Shoji Kajita 2 and Kenji Mase 1 Multi-view video contents are considered as a good video watching method for sports and craftsman s skill. But when viewers watch multi-view video contents, they need to choose a viewpoint always, they become tired. In this paper, we propose that method of watching support in multi-view video contents. In this method, viewer s watching histories are analyzed and data of watching frequency are made from it. Data of watching frequency show viewer s interest. They are made visible and shared by social. And then we checked by experiments that this method is able to support viewers. 1.,.,,.,,,..,,,,.,.,. Miyamori 1) TV., 2) 3),,,.,,,..,,.,.,. 1 Graduate School of Information Science, Nagoya University 2 Information and Communication Planning Office, Nagoya University 3 Fukui University 4 Tokyo Institute of Technology 5 Chukyo Television 1 c 2011 Information Processing Society of Japan
2 1,.,,., 4). 4),,,,, 1..,,.,,. 2.,.. 2. ( 1 ), ( 2 ), ( 3 ), ( 4 ) View-gram ( 5 ), 2 (1) (5) 1 2., (4), ,,.,,,. 2.2 View-gram View-gram,. 3. View-gram.. 10,,. View-gram. 2 c 2011 Information Processing Society of Japan
3 3 View-gram 2.3,,.,,.,.., 4 View-gram. (a) 1. 1,, (b), , (c) 1 8 7, 8, 9 (d),,, 3. 1 :,, , Peg-Scope Viewer 7.,.,,,,,,., image center, stage center, girla girlg , 1 50, 300fps , 3,, 15, 30,. 15,,., 30, 3 c 2011 Information Processing Society of Japan
4 5 View-gram, REC.,. 3.3 View-gram ,,,..,.. : girle, girle View-gram 6.., girle. 6 girle View-gram,, girle,.,.. 3.4,,,,.,,., View-gram, : View-gram Peg-Scope Viewer 7. Peg-Scope Viewer, 4 c 2011 Information Processing Society of Japan
5 1 P peg Table 1 Important View precision for each Peg-points stage center image center girla girlb girlc girld girle girlf girlg P peg = end t=0:00 S key S all (1) View-gram. S peg 2. F selected, F same View-gram 3.,, 7 Peg-Scope Viewer, View-gram. View-gram., View-gram , Peg-Scope Viewer, View-gram,,,.,,. P peg 1. S key t, S all t. S key S all.,. F selected, 3 1., 3 1, , F selected S peg = F same F selected (2) 4.3 P peg 1. P peg 0.38, 0.23., P peg 1/16 = ,., , View-gram 3,.,. stage center girlb,, girlf 0.22., View-gram,. 5 c 2011 Information Processing Society of Japan
6 2 S peg Table 2 Important View recall rate for each Peg-points IC SC girla girlb girlc girld girle girlf girlg All IC : image center SC : stage center All : 8 2 girlf View-gram,, 4 3 View-gram., 1, girlf,. View-gram. girlf View-gram girlf, View-gram.,,, View-gram, View-gram. 5.,,, View-gram., View-gram., View-gram,.,, View-gram, Peg-Scope Viewer.,,.,.,. SCOPE ( ) (NICT) CREST. 1) Miaymori, H., Nakamura, S. and Tanaka, K.: Generation of views of TV content using TV viewers perspectives expressed in live chats on the web Proceedings of the 13th annual ACM international conference on Multimedia, pp (2005). 2). [ ] Vol.50, pp ( ). 3) 2010 (2010). 4) Human Interface Society, Vol.11, No.1, pp.7 12 ( ). 6 c 2011 Information Processing Society of Japan
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The copyright of this material is retained by the Information Processing Society of Japan (IPSJ). The material has been made available on the website
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