SIGGRAPH '86 Proceedings of the 13th annual conference on Computer graphics and interactive techniques
A ray tracing method for illumination calculation in diffuse-specular scenes
Proceedings on Graphics interface '90
Ray tracing polygons using spatial subdivision
Proceedings of the conference on Graphics interface '92
Statistically optimized sampling for distributed ray tracing
SIGGRAPH '85 Proceedings of the 12th annual conference on Computer graphics and interactive techniques
An improved illumination model for shaded display
Communications of the ACM
IEEE Computer Graphics and Applications
IEEE Computer Graphics and Applications
Extensions of the Linear and Area Lighting Models
IEEE Computer Graphics and Applications
Beam tracing polygonal objects
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
Shadow volume reconstruction from depth maps
ACM Transactions on Graphics (TOG)
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Two techniques to speed up shadow computations in ray tracing are examined. The first, atomic adaptive sampling, is intended for any light type, such as directional, spot, point, linear, and area lights, in antialiasing, while the second, plane-vertex checking, specifically accelerates shadow computation of linear and area lights. The basic ideas can be extended to other ray types and, for the plane-vertex check, to radiosity applications as well. Existing surveys explain the fundamentals and provide references to intersection culler and shadow algorithms.