48 search results - page 7 / 10 » Effects of global illumination approximations on material ap... |
SCALESPACE
2009
Springer
15 years 4 months ago
2009
Springer
We study the mathematical and numerical aspects of the estimation of the 3-D shape of a Lambertian scene seen under diffuse illumination. This problem is known as “shape from amb...
105
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ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
Color is a powerful attribute that is used to characterize objects for tracking and other surveillance tasks. Since color is dependent on ambient illumination and the imaging equi...
77
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SI3D
2006
ACM
15 years 4 months ago
2006
ACM
We propose a real-time method for rendering rigid objects with complex view-dependent effects under distant all-frequency lighting. Existing precomputed light transport approaches...
PAMI
2007
14 years 9 months ago
2007
—A near-regular texture (NRT) is a geometric and photometric deformation from its regular origin—a congruent wallpaper pattern formed by 2D translations of a single tile. A dyn...
ICDAR
2007
IEEE
15 years 4 months ago
2007
IEEE
In this paper we present a method to locate and recognize graphical symbols appearing in real images. A vectorial signature is defined to describe graphical symbols. It is formul...