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173
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CVPR
2011
IEEE
15 years 3 months ago
2011
IEEE
For two consecutive frames in a video, we identify which pixels in the first frame become occluded in the second. Such general-purpose detection of occlusion regions is difficul...
214
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CVPR
2011
IEEE
15 years 2 months ago
2011
IEEE
Alpha matting refers to the problem of softly extracting the foreground from an image. Given a trimap (specifying known foreground/background and unknown pixels), a straightforwar...
227
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CVPR
2011
IEEE
15 years 2 months ago
2011
IEEE
We propose to detect abnormal events via a sparse reconstruction over the normal bases. Given an over-complete normal basis set (e.g., an image sequence or a collection of local s...
192
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CDC
2010
IEEE
15 years 1 months ago
2010
IEEE
Abstract-- This paper focuses on the identification of nonlinear hybrid systems involving unknown nonlinear dynamics. The proposed method extends the framework of [1] by introducin...
224
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CDC
2010
IEEE
15 years 1 months ago
2010
IEEE
Online Convex Programming (OCP) is a recently developed model of sequential decision-making in the presence of time-varying uncertainty. In this framework, a decisionmaker selects ...