887 search results - page 23 / 178 » Locally definable homotopy |
AI
2008
Springer
13 years 9 months ago
2008
Springer
Local computation in join trees or acyclic hypertrees has been shown to be linked to a particular algebraic structure, called valuation algebra. There are many models of this alge...
CVPR
1999
IEEE
14 years 11 months ago
1999
IEEE
This paper addresses the problem of probabilistic recognition of activities from local spatio-temporal appearance. Joint statistics of space-time filters are employed to define hi...
CVPR
2006
IEEE
14 years 11 months ago
2006
IEEE
We present a 3-level hierarchical model for localizing human bodies in still images from arbitrary viewpoints. We first fit a simple tree-structured model defined on a small landm...
ICIP
2006
IEEE
14 years 11 months ago
2006
IEEE
The contourlet transform was proposed as a directional multiresolution image representation that can efficiently capture and represent singularities along smooth object boundaries...
AGTIVE
2003
Springer
14 years 2 months ago
2003
Springer
Many polygon mesh algorithms operate in a local manner, yet are formally specified using global indexing schemes. This obscures the essence of these algorithms and makes their spe...