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This paper proposes a sparse video representation with a deformable spatiotemporal template feature, named as active trace template. An active trace is the motion track of an active spatial feature, which moves in a certain velocity. To accommodate geometric variations of the spatial feature and motion variations of the temporal track, the atomic spatial feature in each video frame is capable to slightly...
Multimedia database modeling and representation is significant for efficient storage and retrieval of multimedia. Modeling of semantic video content that enables spatiotemporal queries is one of the challenging tasks. In this paper, we provide a semantic modeling and retrieval system, termed as SMART. We provide a method that helps represent the semantic contents of video such as objects, events,...
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