Using segmented objects in ostensive video shot retrieval
Sav, Sorin Vasile and Lee, Hyowon and Smeaton, Alan F. and O'Connor, Noel E. (2006) Using segmented objects in ostensive video shot retrieval. In: AMR 2005 - 3rd International Workshop on Adaptive Multimedia Retrieval, 28-29 July 2005, Glasgow, UK . ISBN 978-3-540-32174-3
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This paper presents a system for video shot retrieval in which shots are retrieved based on matching video objects using a combination of colour, shape and texture. Rather than matching on individual objects, our system supports sets of query objects which in total reflect the user’s object-based information need. Our work also adapts to a shifting user information need by initiating the partitioning of a user’s search into two or more distinct search threads, which can be followed by the user in sequence. This is an automatic process which maps neatly to the ostensive model for information retrieval in that it allows a user to place a virtual checkpoint on their search, explore one thread or aspect of their information need and then return to that checkpoint to then explore an alternative thread. Our system is fully functional and operational and in this paper we illustrate several design decisions we have made in building it.
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