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ICASSP
2009
IEEE
15 years 4 months ago
Quadtree structured restoration algorithms for piecewise polynomial images
Iterative shrinkage of sparse and redundant representations are at the heart of many state of the art denoising and deconvolution algorithms. They assume the signal is well approx...
Adam Scholefield, Pier Luigi Dragotti
AUTOMATICA
2004
114views more  AUTOMATICA 2004»
14 years 9 months ago
Adaptive control for nonlinear nonnegative dynamical systems
Nonnegative and compartmental models are widespread in engineering systems and life sciences and play a key role in the understanding of these systems. In this paper, we develop a...
Wassim M. Haddad, Tomohisa Hayakawa
92
Voted
NIPS
2003
14 years 11 months ago
A Nonlinear Predictive State Representation
Predictive state representations (PSRs) use predictions of a set of tests to represent the state of controlled dynamical systems. One reason why this representation is exciting as...
Matthew R. Rudary, Satinder P. Singh
86
Voted
SCL
2010
98views more  SCL 2010»
14 years 8 months ago
Symbolic models for nonlinear time-delay systems using approximate bisimulations
In this paper we show that incrementally stable nonlinear time–delay systems admit symbolic models which are approximately equivalent, in the sense of approximate bisimulation, ...
Giordano Pola, Pierdomenico Pepe, Maria Domenica D...
92
Voted
CDC
2008
IEEE
123views Control Systems» more  CDC 2008»
15 years 4 months ago
Reachability analysis of nonlinear systems with uncertain parameters using conservative linearization
— Given an initial set of a nonlinear system with uncertain parameters and inputs, the set of states that can possibly be reached is computed. The approach is based on local line...
Matthias Althoff, Olaf Stursberg, Martin Buss