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AFRIGRAPH
2004
ACM
15 years 11 months ago
Direct HDR capture of the sun and sky
We present a technique for capturing the extreme dynamic range of natural illumination environments that include the sun and sky, which has presented a challenge for traditional h...
Jessi Stumpfel, Chris Tchou, Andrew Jones, Tim Haw...
COMPGEOM
2004
ACM
15 years 11 months ago
The number of lines tangent to arbitrary convex polyhedra in 3D
We prove that the lines tangent to four possibly intersecting convex polyhedra in   3 with n edges in total form Θ(n2 ) connected components in the worst case. In the generic ca...
Hervé Brönnimann, Olivier Devillers, V...
EGPGV
2004
Springer
153views Visualization» more  EGPGV 2004»
15 years 11 months ago
Memory-Savvy Distributed Interactive Ray Tracing
Interactive ray tracing in a cluster environment requires paying close attention to the constraints of a loosely coupled distributed system. To render large scenes interactively, ...
David E. DeMarle, Christiaan P. Gribble, Steven G....
RT
2004
Springer
15 years 11 months ago
Anti-aliasing and Continuity with Trapezoidal Shadow Maps
This paper proposes a new shadow map technique termed trapezoidal shadow maps to calculate high quality shadows in real-time applications. To address the resolution problem of the...
Tobias Martin, Tiow Seng Tan
RT
2004
Springer
15 years 11 months ago
Light Space Perspective Shadow Maps
In this paper, we present a new shadow mapping technique that improves upon the quality of perspective and uniform shadow maps. Our technique uses a perspective transform specifi...
Michael Wimmer, Daniel Scherzer, Werner Purgathofe...