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ICASSP
2009
IEEE
14 years 4 months ago
Field inversion by consensus and compressed sensing
— We study the inversion of a random field from pointwise measurements collected by a sensor network. We assume that the field has a sparse representation in a known basis. To ...
Aurora Schmidt, José M. F. Moura
ICASSP
2009
IEEE
14 years 4 months ago
Spatial super-resolution of a diffusion field by temporal oversampling in sensor networks
We study the spatial-temporal sampling of a linear diffusion field, and show that it is possible to compensate for insufficient spatial sampling densities by oversampling in tim...
Yue M. Lu, Martin Vetterli
ICASSP
2009
IEEE
14 years 4 months ago
High-rate distributed multi-source cooperation using complex field coding
A multisource cooperative protocol is developed capable of achieving diversity order up to the number of cooperating users at a high throughput. In this design each source jointly...
Alfonso Cano Pleite, Jesús Gómez-Vil...
IROS
2007
IEEE
123views Robotics» more  IROS 2007»
14 years 4 months ago
Natural task decomposition with intrinsic potential fields
— Any given task can be solved in a number of ways, whether through path-planning, modeling, or control techniques. In this paper, we present a methodology for natural task decom...
Stephen Hart, Roderic A. Grupen
IROS
2006
IEEE
143views Robotics» more  IROS 2006»
14 years 3 months ago
3D Field D: Improved Path Planning and Replanning in Three Dimensions
— We present an interpolation-based planning and replanning algorithm that is able to produce direct, lowcost paths through three-dimensional environments. Our algorithm builds u...
Joseph Carsten, Dave Ferguson, Anthony Stentz