Library and Information Science

Library and Information Science ISSN: 2435-8495
三田図書館・情報学会 Mita Society for Library and Information Science
〒108‒8345 東京都港区三田2‒15‒45 慶應義塾大学文学部図書館・情報学専攻内 c/o Keio University, 2-15-45 Mita, Minato-ku, Tokyo 108-8345, Japan
Library and Information Science 34: 17-28 (1995)

原著論文Original Article

ニュース映像データーベースの索引と検索Indexing and retrieval methods of moving image database for TV news

発行日:1997年3月31日Published: March 31, 1997

The indexing and retrieval methods for TV news has recently become an important matter. The video image contains all sorts of objects and it is difficult to represent them by indexing terms used for literature searching. Any television networks in Japan are developing retrieval systems for video tapes of TV news, but these systems are lacking for the theoretical consideration for indexing and retrieval methods. This study focuses on the indexing methods for moving graphical image and suggests the new indexing language MPDL (the Moving Picture Description Language). MPDL has seven frames (subjects, time, locations, objects, characteristics, actions, sensibility) and allows indexers to assign one or more indexing terms for each frames. Indexing terms for ‘action’ frame are consist of some verbs. The retrieval experiment using 110 video image, obtained from TV news, indexed by MPDL and other indexing methods and ten search requests result that as concerns recall ratio and precision, MPDL is superior other methods. MPDL suggests many opportunities for improving the indexing and retrieval for the moving graphical image.

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