482 search results - page 40 / 97 » Selectivity Estimation in Spatial Databases |
CVPR
2009
IEEE
15 years 3 months ago
2009
IEEE
Non-rigid object detection and articulated pose estimation
are two related and challenging problems in computer
vision. Numerous models have been proposed over the
years and oft...
MVA
2000
13 years 9 months ago
2000
We propose a multi-camera system that can detect omni-directional pointing gestures and estimate the direction of pointing. In general, when a human points at something, their tar...
ICIP
1998
IEEE
14 years 9 months ago
1998
IEEE
Thispaper addresses the problem of estimating, analyzing and tracking objects moving with spatio-temporal rotational motion (i.e. the angular velocity of spinning or orbiting moti...
MICCAI
2008
Springer
14 years 9 months ago
2008
Springer
We propose to measure quantitatively the opacity property of each pixel in a ground-glass opacity tumor from CT images. Our method results in an opacity map in which each pixel tak...
KDD
2008
ACM
14 years 8 months ago
2008
ACM
Many feature selection algorithms have been proposed in the past focusing on improving classification accuracy. In this work, we point out the importance of stable feature selecti...