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SIPS
2007
IEEE
15 years 7 months ago
SVD-Aided, Iteratively Detected Spatial Division Multiplexing Using Long-Range Channel Prediction
In this contribution iteratively detected spatial division multiplexing is investigated under the constraint of a fixed data throughput. Existing bit loading and transmit power a...
Andreas Ahrens, Wei Liu, Soon Xin Ng, Volker K&uum...
VR
2003
IEEE
163views Virtual Reality» more  VR 2003»
15 years 6 months ago
Ribbon Networks for Modeling Navigable Paths of Autonomous Agents in Virtual Urban Environments
This paper presents a real-time database modeling complex networks of intersecting roads and walkways in urban virtual environments. The database represents information about the ...
Peter Willemsen, Joseph K. Kearney, Hongling Wang
ICCV
2007
IEEE
16 years 3 months ago
Toward Reconstructing Surfaces With Arbitrary Isotropic Reflectance : A Stratified Photometric Stereo Approach
We consider the problem of reconstructing the shape of a surface with an arbitrary, spatially varying isotropic bidirectional reflectance distribution function (BRDF), and introdu...
Neil G. Alldrin, David J. Kriegman
AMW
2010
15 years 2 months ago
Generating XML/GML Schemas from Geographic Conceptual Schemas
Abstract. A large volume of data with complex structures is currently represented in GML (Geography Markup Language) for storing and exchanging geographic information. As the size ...
André C. Hora, Clodoveu A. Davis Jr., Mirel...
PDP
2008
IEEE
15 years 7 months ago
Distributed Sparse Spatial Selection Indexes
Searching for similar objects in metric-space databases can be efficiently solved by using index data structures. A number of alternative sequential indexes have been proposed in...
Veronica Gil Costa, Mauricio Marín