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  1. A500 情報学部/情報学研究科・情報文化学部・情報科学研究科
  2. A500a 雑誌掲載論文
  3. 学術雑誌

Efficient Tracking of News Topics Based on Chronological Semantic Structures in a Large-Scale News Video Archive

http://hdl.handle.net/2237/21415
http://hdl.handle.net/2237/21415
44684815-b694-4a73-9230-59c0870fbd58
名前 / ファイル ライセンス アクション
e95-d_5_1288.pdf e95-d_5_1288.pdf (2.5 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2015-03-31
タイトル
タイトル Efficient Tracking of News Topics Based on Chronological Semantic Structures in a Large-Scale News Video Archive
言語 en
著者 IDE, Ichiro

× IDE, Ichiro

WEKO 56590

en IDE, Ichiro

Search repository
KINOSHITA, Tomoyoshi

× KINOSHITA, Tomoyoshi

WEKO 56591

en KINOSHITA, Tomoyoshi

Search repository
TAKAHASHI, Tomokazu

× TAKAHASHI, Tomokazu

WEKO 56592

en TAKAHASHI, Tomokazu

Search repository
MO, Hiroshi

× MO, Hiroshi

WEKO 56593

en MO, Hiroshi

Search repository
KATAYAMA, Norio

× KATAYAMA, Norio

WEKO 56594

en KATAYAMA, Norio

Search repository
SATOH, Shin'ichi

× SATOH, Shin'ichi

WEKO 56595

en SATOH, Shin'ichi

Search repository
MURASE, Hiroshi

× MURASE, Hiroshi

WEKO 56596

en MURASE, Hiroshi

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 Copyright (C) 2012 IEICE
キーワード
主題Scheme Other
主題 news video
キーワード
主題Scheme Other
主題 video archive
キーワード
主題Scheme Other
主題 semantic structure
キーワード
主題Scheme Other
主題 topic tracking
キーワード
主題Scheme Other
主題 topic threads
抄録
内容記述 Recent advance in digital storage technology has enabled us to archive a large volume of video data. Thanks to this trend, we have archived more than 1,800 hours of video data from a daily Japanese news show in the last ten years. When considering the effective use of such a large news video archive, we assumed that analysis of its chronological and semantic structure becomes important. We also consider that providing the users with the development of news topics is more important to help their understanding of current affairs, rather than providing a list of relevant news stories as in most of the current news video retrieval systems. Therefore, in this paper, we propose a structuring method for a news video archive, together with an interface that visualizes the structure, so that users could track the development of news topics according to their interest, efficiently. The proposed news video structure, namely the “topic thread structure”, is obtained as a result of an analysis of the chronological and semantic relation between news stories. Meanwhile, the proposed interface, namely “mediaWalker II”, allows users to track the development of news topics along the topic thread structure, and at the same time watch the video footage corresponding to each news story. Analyses on the topic thread structures obtained by applying the proposed method to actual news video footages revealed interesting and comprehensible relations between news topics in the real world. At the same time, analyses on their size quantified the efficiency of tracking a user's topic-of-interest based on the proposed topic thread structure. We consider this as a first step towards facilitating video authoring by users based on existing contents in a large-scale news video archive.
言語 en
内容記述タイプ Abstract
出版者
言語 ja
出版者 一般社団法人電子情報通信学会
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
関連情報
関連タイプ isVersionOf
識別子タイプ URI
関連識別子 http://www.ieice.org/jpn/trans_online/index.html
ISSN
収録物識別子タイプ PISSN
収録物識別子 0916-8532
書誌情報 en : IEICE transactions on information and systems

巻 95-D, 号 5, p. 1288-1300, 発行日 2012-05
著者版フラグ
値 publisher
URI
識別子 http://www.ieice.org/jpn/trans_online/index.html
識別子タイプ URI
URI
識別子 http://hdl.handle.net/2237/21415
識別子タイプ HDL
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