32 search results - page 5 / 7 » Single-Image Vignetting Correction |
CVPR
2001
IEEE
14 years 7 months ago
2001
IEEE
Recent omnidirectional camera designs aim a conventional camera at a mirror that expands the camera's field of view. This wide view is ideal for three-dimensional vision task...
CVPR
2004
IEEE
14 years 7 months ago
2004
IEEE
Helmholtz stereopsis guarantees unbiasedness by BRDF of the search for inter-image correspondences. In a practical setup, calibrated pixel sensitivity and corrected light anisotro...
ICRA
2009
IEEE
13 years 11 months ago
2009
IEEE
— We propose a learning algorithm for estimating the 3-D orientation of objects. Orientation learning is a difficult problem because the space of orientations is non-Euclidean, ...
NIPS
2004
13 years 6 months ago
2004
The correction of bias in magnetic resonance images is an important problem in medical image processing. Most previous approaches have used a maximum likelihood method to increase...
ICCV
2009
IEEE
14 years 10 months ago
2009
IEEE
In this paper we aim at reconstructing 3D scenes from images
with unknown focal lengths downloaded from photosharing
websites such as Flickr. First we provide a minimal
solution...