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RT
2000
Springer
15 years 8 months ago
Direct Ray Tracing of Displacement Mapped Triangles
We present an algorithm for ray tracing displacement maps that requires no additional storage over the base model. Displacement maps are rarely used in ray tracing due to the cost...
Brian E. Smits, Peter Shirley, Michael M. Stark
ACMDIS
2008
ACM
15 years 6 months ago
Flutter: directed random browsing of photo collections with a tangible interface
Large collections of photographs are commonplace, and many interfaces for viewing, sorting and organizing them have been proposed. This work describes the design and implementatio...
John Williamson, Lorna M. Brown
132
Voted
APVIS
2004
15 years 6 months ago
Inhomogeneous Force-Directed Layout Algorithms in the Visualisation Pipeline: From Layouts to Visualisations
The visualisation pipeline approach is a flexible and extensible technique for generating visualisations. The basic pipeline functions involve the capture and representation of da...
Neville Churcher, Warwick Irwin, Carl Cook
147
Voted
CSUR
1999
114views more  CSUR 1999»
15 years 4 months ago
Directions for Research in Approximate System Analysis
useful for optimizing compilers [15], partial evaluators [11], abstract debuggers [1], models-checkers [2], formal verifiers [13], etc. The difficulty of the task comes from the fa...
Patrick Cousot
135
Voted
IPL
2010
71views more  IPL 2010»
15 years 3 months ago
New common ancestor problems in trees and directed acyclic graphs
We derive a new generalization of lowest common ancestors (LCAs) in dags, called the lowest single common ancestor (LSCA). We show how to preprocess a static dag in linear time su...
Johannes Fischer, Daniel H. Huson