1297 search results - page 161 / 260 » Covariant Derivatives and Vision |
CVPR
2006
IEEE
15 years 12 months ago
2006
IEEE
Given a dense set of imperfect normals obtained by photometric stereo or shape from shading, this paper presents an optimization algorithm which alternately optimizes until conver...
CVPR
2006
IEEE
15 years 12 months ago
2006
IEEE
Several kernel algorithms have recently been proposed for nonlinear discriminant analysis. However, these methods mainly address the singularity problem in the high dimensional fe...
CVPR
2007
IEEE
15 years 12 months ago
2007
IEEE
Automatic evaluation of visual tracking algorithms in the absence of ground truth is a very challenging and important problem. In the context of online appearance modeling, there ...
CVPR
2007
IEEE
15 years 12 months ago
2007
IEEE
Histograms of orientations and the statistics derived from them have proven to be effective image representations for various recognition tasks. In this work we attempt to improve...
CVPR
2007
IEEE
15 years 12 months ago
2007
IEEE
Markov Random Field, or MRF, models are a powerful tool for modeling images. While much progress has been made in algorithms for inference in MRFs, learning the parameters of an M...