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CHI
1999
ACM
13 years 12 months ago
PingPongPlus: Design of an Athletic-Tangible Interface for Computer-Supported Cooperative Play
This paper introduces a novel interface for digitallyaugmented cooperative play. We present the concept of the "athletic-tangible interface," a new class of interaction ...
Hiroshi Ishii, Craig Wisneski, Julian Orbanes, Ben...
SIBGRAPI
2003
IEEE
14 years 27 days ago
A Sketch-Based Collaborative Design System
We present a system for collaborative conceptual design that allows users potentially located in geographically distant areas to cooperate by sketching, exploring and modifying the...
Zhe Fan, Ma Chi, Manuel M. Oliveira
PG
2003
IEEE
14 years 27 days ago
Bounding Recursive Procedural Models Using Convex Optimization
We present an algorithm to construct a tight bounding polyhedron for a recursive procedural model. We first use an iterated function system (IFS) to represent the extent of the p...
Orion Sky Lawlor, John C. Hart
GRAPHICSINTERFACE
2009
13 years 5 months ago
Rendering the effect of labradoescence
Labradorescence is a complex optical phenomenon that can be found in certain minerals, such as Labradorite or Spectrolite. Because of their unique colour properties, these mineral...
Andrea Weidlich, Alexander Wilkie
CGF
1998
101views more  CGF 1998»
13 years 7 months ago
Rapid and Accurate Contact Determination between Spline Models using ShellTrees
In this paper, we present an e cient algorithm for contact determination between spline models. We make use of a new hierarchy, called ShellTree, that comprises of spherical shell...
Shankar Krishnan, M. Gopi, Ming C. Lin, Dinesh Man...