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A Content-Based Synchronization Approach using Scene Keywords in Enhanced TV based on MPEG-4  

Yim, Hyun-Jeong (숙명여자대학교 멀티미디어과학과)
Lim, Soon-Bum (숙명여자대학교 멀티미디어과학과)
Publication Information
Journal of KIISE:Computing Practices and Letters / v.16, no.6, 2010 , pp. 737-741 More about this Journal
Abstract
When implementing Enhanced TV services, the time synchronization between the video stream that forms the background and the data contents overlaid on audio/video is an important issue. Currently, however, the basic method of synchronizing the data in the MPEG-4 environment is based on absolute time values. For more efficient synchronization when developing Enhanced TV content, this paper proposes a content-based synchronization in which the data content varies depending on the video content. The proposed content-based synchronization method is implemented by defining BIFS nodes more widely, based on scene keywords, and then using the metadata of MPEG7.
Keywords
EnhancedTV; Data Contents; Content-based Synchronization; MPEG-4; BIFS; MPEG-7;
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