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TGC
2010
Springer
15 years 4 months ago
An Algebra of Hierarchical Graphs
We define an algebraic theory of hierarchical graphs, whose axioms characterise graph isomorphism: two terms are equated exactly when they represent the same graph. Our algebra can...
Roberto Bruni, Fabio Gadducci, Alberto Lluch-Lafue...
MUM
2009
ACM
133views Multimedia» more  MUM 2009»
16 years 1 months ago
Understanding interaction in hybrid ubiquitous computing environments
Different kinds of computing environment effect human interaction in different kinds of ways and understanding how different environments ‘work’, as it were, is important to t...
Andy Crabtree, Tom Rodden
CVPR
2003
IEEE
16 years 8 months ago
Low-Dimensional Representations of Shaded Surfaces under Varying Illumination
The aim of this paper is to find the best representation for the appearance of surfaces with Lambertian reflectance under varying illumination. Previous work using principal compo...
Peter Nillius, Jan-Olof Eklundh
CAMAD
2006
IEEE
15 years 10 months ago
On the exploitation of user aggregation strategies in heterogeneous wireless networks
Abstract-- In this paper we discuss the exploitation of aggregated mobility patterns and physical proximity of nodes in a so-called ambient network, i.e., a wireless network with h...
Leonardo Badia, Nicola Bui, Marco Miozzo, Michele ...
TOG
2008
96views more  TOG 2008»
15 years 6 months ago
Display adaptive tone mapping
We propose a tone-mapping operator that can minimize visible contrast distortions for a range of output devices, ranging from e-paper to HDR displays. The operator weights contras...
Rafal Mantiuk, Scott Daly, Louis Kerofsky