21 search results - page 4 / 5 » Another shadow |
CVPR
2006
IEEE
14 years 9 months ago
2006
IEEE
We propose a new technique for edge-suppressing operations on images. We introduce cross projection tensors to achieve affine transformations of gradient fields. We use these tens...
ICCV
2003
IEEE
14 years 9 months ago
2003
IEEE
We derive a new class of photometric invariants that can be used for a variety of vision tasks including lighting invariant material segmentation, change detection and tracking, a...
ECCV
2004
Springer
14 years 9 months ago
2004
Springer
Classifying materials from their appearance is a challenging problem, especially if illumination and pose conditions are permitted to change: highlights and shadows caused by 3D st...
VISUALIZATION
2005
IEEE
14 years 29 days ago
2005
IEEE
We propose a hybrid particle and texture based approach for the visualization of time-dependent vector fields. The underlying spacetime framework builds a dense vector field rep...
TCOM
2008
13 years 7 months ago
2008
We investigate the use of distributed measurements for estimating and updating the performance of a cellular system. Specifically, we discuss the number and placement of sensors in...