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» Extended Object Tracking Using Monte Carlo Methods
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ICDE
2008
IEEE
563views Database» more  ICDE 2008»
16 years 9 months ago
Probabilistic Verifiers: Evaluating Constrained Nearest-Neighbor Queries over Uncertain Data
In applications like location-based services, sensor monitoring and biological databases, the values of the database items are inherently uncertain in nature. An important query fo...
Reynold Cheng, Jinchuan Chen, Mohamed F. Mokbel, C...
FGR
2002
IEEE
229views Biometrics» more  FGR 2002»
15 years 2 months ago
An Approach to Automatic Recognition of Spontaneous Facial Actions
We present ongoing work on a project for automatic recognition of spontaneous facial actions. Spontaneous facial expressions differ substantially from posed expressions, similar t...
Bjorn Braathen, Marian Stewart Bartlett, Gwen Litt...
CVPR
2007
IEEE
15 years 3 months ago
A Graph Reduction Method for 2D Snake Problems
Energy-minimizing active contour models (snakes) have been proposed for solving many computer vision problems such as object segmentation, surface reconstruction, and object track...
Jianhua Yan, Keqi Zhang, Chengcui Zhang, Shu-Ching...
PR
2002
202views more  PR 2002»
14 years 9 months ago
3D C-string: a new spatio-temporal knowledge representation for video database systems
In video database systems, one of the most important methods for discriminating the videos is by using the objects and the perception of spatial and temporal relations that exist ...
Anthony J. T. Lee, Han-Pang Chiu, Ping Yu
ICRA
2007
IEEE
211views Robotics» more  ICRA 2007»
15 years 3 months ago
Control Camera and Light Source Positions using Image Gradient Information
— In this paper, we propose an original approach to control camera position and/or lighting conditions in an environment using image gradient information. Our goal is to ensure a...
Éric Marchand