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1 THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS TECHNICAL REPORT OF IEICE., ide@is.nagoya-u.ac.jp 12 [Special Talk] Analysis and Applications of a Large-scale News Video Archive Ichiro IDE, Graduate School of Information Science, Nagoya University Furo-cho, Chikusa-ku, Nagoya, Japan National Institute of Informatics, Research Organization of Information and Systems Hitotsubashi, Chiyoda-ku, Tokyo, Japan ide@is.nagoya-u.ac.jp Abstract In this special talk, I will introduce my work in the last twelve years and more, on the structuring and browsing of large-scale digital news video archives and their applications and recompilation. Key words Video archive, news, structuring, browsing, recompilation Carnegie Mellon Informedia [1] News-on-Demand [2] News-on-Demand Nederlands Instituut voor Beeld en Geluid 1 INA: 1http:// Institut National de l Audiovisuel TRECVID 3 TREC video [3] NII TV-RECS http:// 3http://trecvid.nist.gov/ 1

2 1 NII TV-RECS Table 1 Specifications of the NII TV-RECS news video archive (As of Jan. 31, 2013). ストーリ MPEG-1 MPEG-2 NHK News 7 4,339 4,228 2, MB 1.2 TB 6.4 TB からのトピックスレッド 2 へのトピックスレッド 2 Fig. 2 Example of a topic thread structure. 1 NII TV-RECS Fig. 1 The original NII TV-RECS video archiving system. 2 NII TV-RECS NII TV Broadcast Video Research Corpus [4] 1. 3 NIST TDT Topic Detection and Tracking [5] eventsome incident that occurred at some specific time and place along with all necessary preconditions and unavoidable consequences. 4http:// storya topically cohesive segment of news that includes two or more declarative independent clauses about a single event. topica seminal event or activity, along with all directly related events and activities. [6] closed-caption CC CC 2. 5W1H 4W When,Where,Who, What Who Where [7]

3 プロフィール モノローグシーンの : : : : するストーリの グラフ モノローグ ストーリの 神崎武法 菅直人 安倍晋三 ジョージ ブッシュ が い の : : : のへを : するモノローグ ストーリの 森喜朗 小泉純一郎 a b 3 NewsWho swho [8] Fig. 3 A prototype interface of a personal information portal NewsWho swho [8]. 扇千景 田中真紀子 鈴木宗男 (a) テキストからの抽出 強い関係弱い関係 (b) 画像からの抽出 5 [8] Fig. 5 Strength of cooccurrence-based relations of people extracted from news videos [8]. 画像なし 田中氏 田中康夫氏 田中さん 田中容疑者 画像なし 田中外務大臣 田中知事 田中耕一さん 田中 容疑者 画像なし 田中前外務大臣 田中前知事 田中 容疑者 提案手法による名寄せ 田中大臣 正解の名寄せ 4 trackthem [9] Fig. 4 A news video browsing interface based on the cooccurrence of people: trackthem [9]. NewsWho swho 3 3 [8] CC trackthem [10] Fig. 6 An example of name disambiguation by faces (ex. Tanaka ) [10]. [9] CC 6 [10]

4 7 mediawalker [6] Fig. 7 A news video browsing interface based on the topic thread structure: mediawalker [6]. CC [11] [12] 2. 2 CC 100 mediawalker 7 3 mediawalker Wikipedia Videopedia [13] Fig. 8 A news video browsing interface linked to Wikipedia articles: Videopedia [13]. mediawalker [6] Wikipedia 1 1 Wikipedia 5 CC Wikipedia Wikipedia mediawalker Videopedia 8 Wikipedia [13] 5http://ja.wikipedia.org/ 4

5 9 [15] Fig. 9 Example of stories broadcast in different countries associated according to the cooccurrence of near-duplicate video clips [15]. 9/1 10/31 12/30 2/28 4/29 6/28 8/ [16] Fig. 11 Transition of demoscopic polls and major events (ex. Prime Minister Abe s first government) [16]. 10 mediatraveller [15] Fig. 10 Cross-lingual news story browsing interface: mediatraveller [15] near-duplicate [14] 9 10 mediatraveller [15] 3. 1, story telling 3. 1 Video story telling CC NHK 5

6 2006/12/26 #5 2006/10/ 8 #1 2006/ /11/21 #4 2006/12/22 #5 2007/ / 1/15 #3 2007/ 1/30 #3 2007/ / 5/23 #6 2007/ 6/ 2 #1 2007/ / 8/ 6 #2 2007/ 9/ 9 #1 2007/ 9/10 #1 2007/ 9/11 #1 2007/ 9/12 # [16] Fig. 12 A summary video that explains why the Prime Minister resigned (ex. Prime Minister Abe s first government) [16]. [16] NACK, Frank IT B B COE K17 X [1] Informedia CMU vol.37 no.9 pp Sept [2] A.G. Hauptmann, M.J. Witbrock, and M.G. Christel, News-on-Demand: An application of Informedia technology, D-Lib Mag., vol.1, no.3, p.online, Sept [3] vol.22 no.6 pp June 2011 [4] N. Katayama, H. Mo, I. Ide, and S. Satoh, Mining largescale broadcast video archives towards inter-video structuring, Advances in Multimedia Information Processing, PCM2004, 5th Pacific Rim Conf. on Multimedia, Tokyo, Japan, Nov./Dec. 2004, Procs. Part II, eds. by K. Aizawa, Y. Nakamura, and S. Satoh, vol.3332, pp , Lecture Notes in Computer Science, Springer-Verlag, Tokyo, Japan, Dec [5] J.G. Fiscus and G.R. Doddington, Topic detection and tracking evaluation overview, Topic detection and tracking: Event-based information organization, ed. by J. Allan, pp.17 31, Kluwer Academic Publishers, [6] I. Ide, T. Kinoshita, T. Takahashi, H. Mo, N. Katayama, S. Satoh, and H. Murase, Efficient tracking of news topics based on chronological semantic structures in a large-scale news video archive, IEICE Trans. on Information and Systems, vol.e95-d, no.5, pp , May [7] 3 vol.63 no.3 pp March 2012 [8] NewsWho swho 2 no.1-3 pp.1 6June 2006 [9] I. Ide, T. Kinoshita, H. Mo, N. Katayama, and S. Satoh, trackthem: Exploring a large-scale news video archive by tracking human relations, Information Retrieval Technology, 2nd Asia Information Retrieval Symposium, AIRS2005, Jeju Island, Korea, Oct Procs., eds. by G.G. Lee, A. Yamada, H. Meng, and S.H. Myaeng, vol.3689, pp , Lecture Notes in Computer Science, Springer-Verlag, Jeju, Korea, Oct [10] I. Ide, T. Ogasawara, T. Takahashi, and H. Murase, Name identification of people in news video by face matching, Proc. 3rd Int. Workshop on Computer Vision meets Databases, pp.17 21, Beijing, China, June [11] I. Ide, N. Sekioka, T. Takahashi, and H. Murase, Assembling personal speech collections by monologue scene detection from a news video archive, Proc. 8th ACM SIGMM Int. Workshop on Multimedia Information Retrieval, pp , Santa Barbara, CA, USA, Oct [12] S. Kumagai, K. Doman, T. Takahashi, D. Deguchi, I. Ide, and H. Murase, Speech shot extraction from broadcast news videos, Int. J. of Semantic Computing, vol.6, no.2, pp , June [13] T. Okuoka, T. Takahashi, D. Deguchi, I. Ide, and H. Murase, Labeling news topic threads with wikipedia entries, Proc. 11th IEEE Int. Symposium on Multimedia, pp , San Diego, CA, USA, Dec [14] I. Ide, K. Noda, T. Takahashi, and H. Murase, Genreadaptive near-duplicate video segment detection, Proc IEEE Int. Conf. on Multimedia and Expo, pp , Beijing, China, July [15] A. Ogawa, T. Takahashi, I. Ide, and H. Murase, Crosslingual retrieval of identical news events by near-duplicate video segment detection, Advances in Multimedia Modeling, 14th Int. Multimedia Modeling Conf., MMM 2008, Kyoto, Japan, Jan. 9 11, 2008 Procs., eds. by S. Satoh, F. Nack, and M. Etoh, vol.4903, pp , Lecture Notes in Computer Science, Springer-Verlag, Kyoto, Japan, Jan [16] F. Nack and I. Ide, Why did the Prime Minister resign? Generation of event explanation from large news repositories, Proc. 19th ACM Int. Multimedia Conf., pp , Scottsdale, AZ, USA, Nov

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