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SMI
2010
IEEE
228views Image Analysis» more  SMI 2010»
14 years 8 months ago
Hierarchical Spline Approximation of the Signed Distance Function
We present a method to compute the medial axis of a smooth curve or surface by using PHT-spline (polynomial splines over hierarchical T-meshes) hierarchical approximation. In part...
Xinghua Song, Bert Jüttler, Adrien Poteaux
CHI
2006
ACM
15 years 10 months ago
RoomBugs: simulating insect infestations in elementary classrooms
This paper presents research on a collaborative learning environment in an urban elementary science classroom. The application, called RoomBugs, simulates a dynamic ecosystem of i...
Michael Barron, Tom Moher, Jeff Maharry
CHI
2002
ACM
15 years 10 months ago
Camping in the digital wilderness: tents and flashlights as interfaces to virtual worlds
A projection screen in the shape of a tent provides children with a shared immersive experience of a virtual world based on the metaphor of camping. RFID aerials at its entrances ...
Jonathan Green, Holger Schnädelbach, Boriana ...
SI3D
2009
ACM
15 years 4 months ago
Real-time view-dependent rendering of parametric surfaces
We propose a view-dependent adaptive subdivision algorithm for rendering parametric surfaces on parallel hardware. Our framework allows us to bound the screen space error of a pie...
Christian Eisenacher, Quirin Meyer, Charles T. Loo...
ICIAR
2009
Springer
15 years 4 months ago
Interacting with Digital Signage Using Hand Gestures
Abstract. Digital signage is a very attractive medium for advertisement and general communications in public open spaces. In order to add interaction capabilities to digital signag...
Qing Chen, François Malric, Yi Zhang, Muham...