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Segmentation and tracking of multiple video objects
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DOI：10.1016/j.patcog.2006.07.008.png)
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摘要
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This paper describes a technique that produces a content-based representation of a video shot composed by a background (still) mosaic and one or more foreground moving objects. Segmentation of moving objects is based on ego-motion compensation and on background modelling using tools from robust statistics. Region matching is carried out by an algorithm that operates on the Mahalanobis distance between region descriptors in two subsequent frames and uses singular value decomposition to compute a set of correspondences satisfying both the principle of proximity and the principle of exclusion. The sequence is represented as a layered graph, and specific techniques are introduced to cope with crossing and occlusion. Examples of MPEG-4 (main profile) encoding are reported. (c) 2006 Pattern Recognition Society. Published by Elsevier Ltd. All rights reserved.
Keyword:
content-based representation
MPEG
video coding
video sequence analysis
mosaicing
motion segmentation
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IF:
7.6
论文数:
1.3W
被引数:
4.5W
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