Dr. Marco Bertini Profile

Dr. Marco Bertini

at Univ degli Studi di Firenze

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Proceedings Article | 23 June 2003 Paper

Semantic annotation for live and posterity logging of video documents

Marco Bertini, Alberto Del Bimbo, W. Nunziati

Proceedings Volume 5150, (2003) https://doi.org/10.1117/12.510142

KEYWORDS: Video, Cameras, Semantic video, Image processing, Visualization, Feature extraction, Motion models, Digital video recorders, Motion analysis, Zoom lenses

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Broadcasters usually envision two basic applications for video databases: Live Logging and Posterity Logging. The former aims at providing effective annotation of video in quasi-real time and supports extraction of meaningful clips from the live stream; it is usually performed by assistant producers working at the same location of the event. The latter provides annotation for later reuse of video material and is the prerequisite for retrieval by content from video digital libraries; it is performed by trained librarians. Both require that annotation is performed, at a great extent, automatically. Video information structure must encompass both low-intermediate level video organization and event relationships that define specific highlights and situations. Analysis of the visual data of the video stream permits to extract hints, identify events and detect highlights. All of this must be supported by a-priori knowledge of the video domain and effective reasoning engines capable to capture the inherent semantics of the visual events.

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