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SIGGRAPH
1991
ACM
15 years 10 months ago
Spectrally optimal sampling for distribution ray tracing
Nonuniform sampling of images is a useful technique in computer graphics, because a properly designed pattern of samples can make aliasing take the form of high-frequency random n...
Don P. Mitchell
CHI
2005
ACM
15 years 8 months ago
Seascape and volcano: visualizing online discussions using timeless motion
Motion is the strongest visual appeal to attention [2], yet it is rarely used in the visualization of large-scale quantitative information. Motion is complex; it can vary across n...
Francis Lam, Judith S. Donath
DAGSTUHL
2010
15 years 8 months ago
Exploring Visualization Methods for Complex Variables
Applications of complex variables and related manifolds appear throughout mathematics and science. Here we review a family of basic methods for applying visualization concepts to ...
Andrew J. Hanson, Ji-Ping Sha
RSS
2007
105views Robotics» more  RSS 2007»
15 years 8 months ago
Motion Strategies for Surveillance
Abstract— We address the problem of surveillance in an environment with obstacles. We show that the problem of tracking an evader with one pursuer around one corner is completely...
Sourabh Bhattacharya, Salvatore Candido, Seth Hutc...
ALENEX
2001
105views Algorithms» more  ALENEX 2001»
15 years 7 months ago
A Probabilistic Spell for the Curse of Dimensionality
Range searches in metric spaces can be very di cult if the space is \high dimensional", i.e. when the histogram of distances has a large mean and a small variance. The so-cal...
Edgar Chávez, Gonzalo Navarro