An extension to TV-anytime for MPEG-7 content-based image retrievalMPEG-7 내용기반 이미지 검색을 위한 TV-anytime 확장

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The standards of TV-Anytime cover a broad range of interactive digital TV service, such as broadcasting, content referencing and metadata. As another metadata description standard for multimedia, MPEG-7 specifications have often been coupled with TV-Anytime specifications to make advanced services since its early stage, by the complementing characteristics of the two standards. With its rich metadata description facilities, MPEG-7 is used to describe low-level audio-visual descriptions, such as color, shape-contour and sound-pitch, as well as high-level descriptions, such as title and author Among services that use these descriptors, Query-By-Example (QBE) is a technique that allows the user to search for documents using examples in the form of an image, sound, or movie clip as queries. When QBE is employed to the TV-Anytime system, TV users search the contents of interest that are unable to be found in TV-Anytime keyword search. It is because the QBE method requires no prior human annotation as keyword-based search does. Although the current TV-Anytime standard can support some of the Search-by-Content (keyword search) by using segment annotation, it does not support the exact QBE services based on multimedia content with its own components, due to its limitation of low-level metadata descriptors. In this thesis, an extended TV-Anytime service that accommodates the QBE technique is proposed. This approach is made possible by combining TV-Anytime system with MPEG-7 components, especially, low-level metadata descriptors. The low-level metadata descriptors are used to describe multimedia contents, and they are stored in database of MPEG-7 metadata provider. The MPEG-7 metadata provider supports the QBE by providing similarity matching service for image. To enable this service, the metadata service discovery part of TV-Anytime is extended to meet the new service requirements, as the discovery part of current TV-Anytime standard does not support processing metada...
Advisors
Hyun, Soon-Jooresearcher현순주researcher
Description
한국정보통신대학교 : 공학부,
Publisher
한국정보통신대학교
Issue Date
2005
Identifier
392517/225023 / 020024141
Language
eng
Description

학위논문(석사) - 한국정보통신대학교 : 공학부, 2005, [ ix, 68 p. ]

Keywords

Multimedia; TV-Anytime; MPEG-7; Query-by-Example; 내용기반검색; 예제에 의한 검색; 멀티미디어; Search-by-Content

URI
http://hdl.handle.net/10203/55366
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=392517&flag=dissertation
Appears in Collection
School of Engineering-Theses_Master(공학부 석사논문)
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