242 search results - page 27 / 49 » Volumetric Ray Tracing |
CGF
2007
13 years 7 months ago
2007
This paper describes a fast rendering algorithm for verification of spectacle lens design. Our method simulates refraction corrections of astigmatism as well as myopia or presbyo...
CGI
2004
IEEE
13 years 11 months ago
2004
IEEE
In this paper, it is described a method of curved ray tracing capable of depicting phenomena that arise, under certain conditions, when light propagates through an inhomogeneous a...
ALENEX
2003
13 years 9 months ago
2003
We present a data structure, called a ray interpolant tree, or RI-tree, which stores a discrete set of directed lines in 3-space, each represented as a point in 4-space. Each dire...
CG
2000
Springer
13 years 7 months ago
2000
Springer
This paper is devoted to a designer tool, which is an extension of particle tracing algorithm for analysis of scenes, artifacts, image ghosts, and ray tracing mechanism itself. Th...
TOG
2008
13 years 7 months ago
2008
This paper introduces a simple and robust progressive global illumination algorithm based on photon mapping. Progressive photon mapping is a multi-pass algorithm where the first p...