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» Data mining for activity extraction in video data
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VIS
2009
IEEE
211views Visualization» more  VIS 2009»
15 years 11 months ago
Isosurface Extraction and View-Dependent Filtering from Time-Varying Fields Using Persistent Time-Octree (PTOT)
We develop a new algorithm for isosurface extraction and view-dependent filtering from large time-varying fields, by using a novel Persistent Time-Octree (PTOT) indexing structure....
Cong Wang, Yi-Jen Chiang
ICCV
2003
IEEE
16 years 8 days ago
Dynamic Stroke Information Analysis for Video-Based Handwritten Chinese Character Recognition
Video-based handwritten Character Recognition (VCR) system is a new type of character recognition system with many unique advantages over on-line character recognition system. Its...
Feng Lin, Xiaoou Tang
CARS
2004
14 years 11 months ago
Hybrid method for both calibration and registration of an endoscope with an active optical tracker
In this paper, we present a hybrid method for calibration of an endoscope and its registration with an active optical tracker. Practically, both operations are done simultaneously...
Gaëtan Marti, Vincent Bettschart, Jean-S&eacu...
CVPR
2009
IEEE
1962views Computer Vision» more  CVPR 2009»
16 years 4 months ago
Histograms of Oriented Optical Flow and Binet-Cauchy Kernels on Nonlinear Dynamical Systems for the Recognition of Human Actions
System theoretic approaches to action recognition model the dynamics of a scene with linear dynamical systems (LDSs) and perform classification using metrics on the space of LDSs, ...
Rizwan Chaudhry, Avinash Ravichandran, Gregory D. ...
ACCV
2007
Springer
15 years 4 months ago
Multi-posture Human Detection in Video Frames by Motion Contour Matching
In the paper, we proposed a method for moving human detection in video frames by motion contour matching. Firstly, temporal and spatial difference of frames is calculated and conto...
Qixiang Ye, Jianbin Jiao, Hua Yu