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» On the Computational Capabilities of Several Models
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SACMAT
2009
ACM
16 years 2 months ago
Foundations for group-centric secure information sharing models
We develop the foundations for a theory of Group-Centric Secure Information Sharing (g-SIS), characterize a specific family of models in this arena and identify several direction...
Ram Krishnan, Ravi S. Sandhu, Jianwei Niu, William...
AAAI
2006
15 years 9 months ago
Learning Systems of Concepts with an Infinite Relational Model
Relationships between concepts account for a large proportion of semantic knowledge. We present a nonparametric Bayesian model that discovers systems of related concepts. Given da...
Charles Kemp, Joshua B. Tenenbaum, Thomas L. Griff...
GIS
2008
ACM
16 years 8 months ago
Fast and extensible building modeling from airborne LiDAR data
This paper presents an automatic algorithm which reconstructs building models from airborne LiDAR (light detection and ranging) data of urban areas. While our algorithm inherits t...
Qian-Yi Zhou, Ulrich Neumann
234
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JCDL
2005
ACM
111views Education» more  JCDL 2005»
16 years 1 months ago
Digitization and 3D modeling of movable books
Movable books provide interesting challenges for digitization and user interfaces design. We report in this paper some preliminary results in the building of a 3D visualization wo...
Pierre Cubaud, Jérôme Dupire, Alexand...
VC
2002
215views more  VC 2002»
15 years 7 months ago
Acquiring, stitching and blending diffuse appearance attributes on 3D models
A new system for the construction of highly realistic models of real free-form 3D objects is proposed, based on the integration of several techniques (automatic 3D scanning, inver...
Claudio Rocchini, Paolo Cignoni, Claudio Montani, ...