13 search results - page 2 / 3 » On the Closedness of the Linear Image of a Closed Convex Con... |
ICCV
2001
IEEE
14 years 7 months ago
2001
IEEE
We prove that the set of all Lambertian reflectance functions (the mapping from surface normals to intensities) obtained with arbitrary distant light sources lies close to a 9D lin...
VLSISP
2010
13 years 3 months ago
2010
Abstract In case of insufficient data samples in highdimensional classification problems, sparse scatters of samples tend to have many ‘holes’—regions that have few or no nea...
SIAMJO
2008
13 years 5 months ago
2008
Let A and B be nonempty, convex and closed subsets of a Hilbert space H. In the practical considerations we need to find an element of the intersection A B or, more general, to s...
JMLR
2008
13 years 5 months ago
2008
We consider the problem of learning classifiers in structured domains, where some objects have a subset of features that are inherently absent due to complex relationships between...
ECCV
2004
Springer
14 years 7 months ago
2004
Springer
Various problems in Computer Vision become difficult due to a strong influence of lighting on the images of an object. Recent work showed analytically that the set of all images of...