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TCSV
2008
174views more  TCSV 2008»
13 years 8 months ago
A Survey of Vision-Based Trajectory Learning and Analysis for Surveillance
Abstract--This paper presents a survey of trajectory-based activity analysis for visual surveillance. It describes techniques that use trajectory data to define a general set of ac...
Brendan Tran Morris, Mohan M. Trivedi
TWC
2008
85views more  TWC 2008»
13 years 8 months ago
Scaling laws of multiple antenna group-broadcast channels
Broadcast (or point to multipoint) communication has attracted a lot of research recently. In this paper, we consider the group broadcast channel where the users' pool is divi...
Tareq Y. Al-Naffouri, Amir F. Dana, Babak Hassibi
IJCV
2002
140views more  IJCV 2002»
13 years 8 months ago
Orthonormal Vector Sets Regularization with PDE's and Applications
We are interested in regularizing fields of orthonormal vector sets, using constraint-preserving anisotropic diffusion PDE's. Each point of such a field is defined by multiple...
David Tschumperlé, Rachid Deriche
CVPR
2004
IEEE
14 years 10 months ago
Invariant Operators, Small Samples, and the Bias-Variance Dilemma
Invariant features or operators are often used to shield the recognition process from the effect of "nuisance" parameters, such as rotations, foreshortening, or illumina...
Xiaojin Shi, Roberto Manduchi
CVPR
2007
IEEE
14 years 10 months ago
Learning Local Image Descriptors
In this paper we study interest point descriptors for image matching and 3D reconstruction. We examine the building blocks of descriptor algorithms and evaluate numerous combinati...
Simon A. J. Winder, Matthew Brown