2414 search results - page 427 / 483 » Computing Normal Subgroups |
116
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CVPR
2003
IEEE
15 years 12 months ago
2003
IEEE
Monitoring activities using video data is an important surveillance problem. A special scenario is to learn the pattern of normal activities and detect abnormal events from a very...
CVPR
2007
IEEE
15 years 12 months ago
2007
IEEE
This paper examines the problem of detecting changes in a 3-d scene from a sequence of images, taken by cameras with arbitrary but known pose. No prior knowledge of the state of n...
117
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CVPR
2008
IEEE
15 years 12 months ago
2008
IEEE
Given an object model and a black-box measure of similarity between the model and candidate targets, we consider visual object tracking as a numerical optimization problem. During...
ICCV
2007
IEEE
15 years 11 months ago
2007
IEEE
In this paper we present a surprisingly simple yet powerful method for detecting illumination--determining which pixels are lit by different lights--in images. Our method is based...
ECCV
2004
Springer
15 years 11 months ago
2004
Springer
This paper proposes a robust estimation and validation framework for characterizing local structures in a positive multi-variate continuous function approximated by a Gaussian-base...