2843 search results - page 7 / 569 » On Efficient Spatial Matching |
ICDE
2009
IEEE
14 years 11 months ago
2009
IEEE
This work addresses a novel spatial keyword query called the m-closest keywords (mCK) query. Given a database of spatial objects, each tuple is associated with some descriptive inf...
CVPR
2007
IEEE
14 years 11 months ago
2007
IEEE
Long-duration tracking of general targets is quite challenging for computer vision, because in practice target may undergo large uncertainties in its visual appearance and the unc...
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
Tracking multiple objects under occlusion is one of the most challenging issues in computer vision. Occlusion results in mistaken match when finding the most similar candidate. A...
CVPR
1999
IEEE
14 years 2 months ago
1999
IEEE
We introduce an approach to feature-based object recognition, using maximum a posteriori (MAP) estimation under a Markov random field (MRF) model. This approach provides an effici...
CVPR
2004
IEEE
14 years 11 months ago
2004
IEEE
We describe a method for obtaining the principal objects, characters and scenes in a video by measuring the reoccurrence of spatial configurations of viewpoint invariant features....