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COMPGEOM
2008
ACM
14 years 11 months ago
Consistent digital rays
Given a fixed origin o in the d-dimensional grid, we give a novel definition of digital rays dig(op) from o to each grid point p. Each digital ray dig(op) approximates the Euclide...
Jinhee Chun, Matias Korman, Martin Nöllenburg...
CHI
2009
ACM
15 years 10 months ago
SenseableRays: opto-haptic substitution for touch-enhanced interactive spaces
This paper proposes a new haptic interaction system based on optical-haptic substitution. This system combines time-modulated structured light emitted to the workspace and a mobil...
Jun Rekimoto
CGF
2004
173views more  CGF 2004»
14 years 9 months ago
GPU-Based Nonlinear Ray Tracing
In this paper, we present a mapping of nonlinear ray tracing to the GPU which avoids any data transfer back to main memory. The rendering process consists of the following parts: ...
Daniel Weiskopf, Tobias Schafhitzel, Thomas Ertl
ICASSP
2008
IEEE
15 years 4 months ago
Modulation forensics for wireless digital communications
Modulation forensics is to detect the modulation type in wireless communications without any prior information. It nds both military and civilian applications such as surveillance...
W. Sabrina Lin, K. J. Ray Liu
ETS
2007
IEEE
54views Hardware» more  ETS 2007»
14 years 9 months ago
The Learning Computer: Low Bandwidth Tool that Bridges Digital Divide
Russell Johnson, Elizabeth A. Kemp, Ray H. Kemp, P...