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TOG
2008
139views more  TOG 2008»
14 years 9 months ago
Shield fields: modeling and capturing 3D occluders
We describe a unified representation of occluders in light transport and photography using shield fields: the 4D attenuation function which acts on any light field incident on an ...
Douglas Lanman, Ramesh Raskar, Amit K. Agrawal, Ga...
CVPR
2008
IEEE
15 years 11 months ago
Non-refractive modulators for encoding and capturing scene appearance and depth
We analyze the modulation of a light field via nonrefracting attenuators. In the most general case, any desired modulation can be achieved with attenuators having four degrees of ...
Ashok Veeraraghavan, Amit K. Agrawal, Ramesh Raska...
CGF
2004
102views more  CGF 2004»
14 years 9 months ago
Real-time Light Animation
Light source animation is a particularly hard field of real-time global illumination algorithms since moving light sources result in drastic illumination changes and make coherenc...
Mateu Sbert, László Szécsi, L...
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TOG
2008
102views more  TOG 2008»
14 years 9 months ago
Glare aware photography: 4D ray sampling for reducing glare effects of camera lenses
Glare arises due to multiple scattering of light inside the camera
Ramesh Raskar, Amit K. Agrawal, Cyrus A. Wilson, A...
GRAPHICSINTERFACE
2000
14 years 11 months ago
High-Quality Interactive Lumigraph Rendering Through Warping
We introduce an algorithm for high-quality, interactive light field rendering from only a small number of input images with dense depth information. The algorithm bridges the gap ...
Hartmut Schirmacher, Wolfgang Heidrich, Hans-Peter...