547 search results - page 29 / 110 » Spatiotemporal feature extraction based on invariance repres... |
CVPR
2009
IEEE
15 years 2 months ago
2009
IEEE
The problem of recognizing actions in realistic videos
is challenging yet absorbing owing to its great potentials
in many practical applications. Most previous research is
limit...
CVPR
2001
IEEE
14 years 9 months ago
2001
IEEE
There have been important recent advances in object recognition through the matching of invariant local image features. However, the existing approaches are based on matching to i...
CVGIP
2004
13 years 7 months ago
2004
In this paper, we propose the utilization of a kd-tree based hierarchy as an implicit object representation. Compared to an octree, the kd-tree based hierarchy is superior in term...
ECCV
2010
Springer
13 years 7 months ago
2010
Springer
Abstract. With the rapid development of fast data acquisition techniques, 3D scans that record the geometric and photometric information of deformable objects are routinely acquire...
SMA
2008
ACM
13 years 7 months ago
2008
ACM
In this paper, we present a new visibility-based feature extraction algorithm from discrete models as dense point clouds resulting from laser scans. Based on the observation that ...