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Modeling and retrieval of moving objects

delete2001-01-01
delete13
PRE
AI
A
Anne H. H. Ngu
J
John Shepherd
DOI：10.1023/A:1009677223697delete
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Abstract

Abstract

En 中文
This paper presents a symbolic formalism for modeling and retrieving video data via the moving objects contained in the video images. The model integrates the representations of individual moving objects in a scene with the time-varying relationships between them by incorporating both the notions of object tracks and temporal sequences of PIRs (projection interval relationships). The model is supported by a set of operations which form the basis of a moving object algebra. This algebra allows one to retrieve scenes and information from scenes by specifying both spatial and temporal properties of the objects involved. It also provides operations to create new scenes from existing ones. A prototype implementation is described which allows queries to be specified either via an animation sketch or using the moving object algebra.
Keywords:
multimedia retrieval
moving objects model
content-based image retrieval
symbolic video model
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Journal

Multimedia Tools and Applications cover
Multimedia Tools and Applications
IF:
3
Papers:
1.9W
Citations:
3.2W

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