756 search results - page 38 / 152 » Illuminating image-based objects |
DAGM
2005
Springer
14 years 2 months ago
2005
Springer
3-D tracking of free-moving objects has to deal with brightness variations pronounced by the shape of the tracked surface. Pixel-based tracking techniques, though versatile, are p...
RT
2004
Springer
14 years 2 months ago
2004
Springer
Spherical harmonics are often used for compact description of incident radiance in low-frequency but distant lighting environments. For interaction with nearby emitters, computing...
RT
1999
Springer
14 years 28 days ago
1999
Springer
Abstract. Lighting design is often tedious due to the required physical manipulation of real light sources and objects. As an alternative, we present an interactive system to virtu...
CVPR
2005
IEEE
14 years 10 months ago
2005
IEEE
Illumination changes are a ubiquitous problem in computer vision. They present a challenge in many applications, including tracking: for example, an object may move in and out of ...
CVPR
2007
IEEE
14 years 10 months ago
2007
IEEE
The non-negativity of color signals implies that they span a conical space with a hyperbolic geometry. We use perspective projections to separate intensity from chromaticity, and ...