Publications associées à Linear-parameter-varying approximation of nonlinear dynamics for model predictive flow control of urban multi-region systems

Tensor optimisation for optical-interferometric imaging

Jean-Philippe Thiran, Yves Wiaux, Rafael Eduardo Carrillo Rangel, Anna Auria Rasclosa

Image recovery in optical interferometry is an ill-posed nonlinear inverse problem arising from incomplete power spectrum and bispectrum measurements. We reformulate this nonlin- ear problem as a linear problem for the supersymmetric rank-1 order-3 tensor ...

Oxford Univ Press2014

Hessian Schatten-Norm Regularization for Linear Inverse Problems

Michaël Unser, John Paul Ward, Stamatios Lefkimmiatis

We introduce a novel family of invariant, convex, and non-quadratic functionals that we employ to derive regularized solutions of ill-posed linear inverse imaging problems. The proposed regularizers involve the Schatten norms of the Hessian matrix, which a ...

Ieee-Inst Electrical Electronics Engineers Inc2013

Wavelet-Based Reconstruction for Magnetic Resonance Imaging

Matthieu Guerquin-Kern

Magnetic resonance imaging (MRI) scanners produce raw measurements that are unfit to direct interpretation, unless an algorithmic step, called reconstruction, is introduced. Up to the last decade, this reconstruction was performed by algorithms of moderate ...

EPFL2012

An Efficient Method to Estimate the Suboptimality of Affine Controllers

Daniel Kuhn

We consider robust feedback control of time-varying, linear discrete-time systems operating over a finite horizon. For such systems, we consider the problem of designing robust causal controllers that minimize the expected value of a convex quadratic cost ...

Institute of Electrical and Electronics Engineers2011

An Efficient Method to Estimate the Suboptimality of Affine Controllers

Daniel Kuhn

We consider robust feedback control of time-varying, linear discrete-time systems operating over a finite horizon. For such systems, we consider the problem of designing robust causal controllers that minimize the expected value of a convex quadratic cost ...

Institute of Electrical and Electronics Engineers2011

A Fast Wavelet-Based Reconstruction Method for Magnetic Resonance Imaging

Michaël Unser, Matthieu Guerquin-Kern

In this work, we exploit the fact that wavelets can represent magnetic resonance images well, with relatively few coefficients. We use this property to improve magnetic resonance imaging (MRI) reconstructions from undersampled data with arbitrary k-space t ...

Institute of Electrical and Electronics Engineers2011

Tracking Multiple Objects under Global Appearance Constraints

Pascal Fua, François Fleuret, Jérôme Berclaz, Horesh Beny Ben Shitrit

In this paper, we show that tracking multiple people whose paths may intersect can be formulated as a convex global optimization problem. Our proposed framework is designed to exploit image appearance clues to prevent identity switches. Our ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2011

Tracking Multiple People under Global Appearance Constraints

Pascal Fua, François Fleuret, Jérôme Berclaz, Horesh Beny Ben Shitrit

In this paper, we show that tracking multiple people whose paths may intersect can be formulated as a convex global optimization problem. Our proposed framework is designed to exploit image appearance cues to prevent identity switches. Our method is effect ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2011

A natural-norm Successive Constraint Method for inf-sup lower bounds

Jan Sickmann Hesthaven, Yixing Chen

We present a new approach for the construction of lower bounds for the inf-sup stability constants required in a posteriori error analysis of reduced basis approximations to affinely parametrized partial differential equations. We combine the ``linearized' ...

Elsevier2010

A DSS to Optimize Facings on the Shelf of a Retail Store

Prem Kumar

This paper aims to maximize the profitability of a set of brand SKUs stocked at a particular retailer by optimizing the number of facings for each product. Based on the past data, a set of variables such as retail price of different SKUs, linear footage th ...

2010

Linear-parameter-varying approximation of nonlinear dynamics for model predictive flow control of urban multi-region systems

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Tensor optimisation for optical-interferometric imaging

Hessian Schatten-Norm Regularization for Linear Inverse Problems

Wavelet-Based Reconstruction for Magnetic Resonance Imaging

An Efficient Method to Estimate the Suboptimality of Affine Controllers

An Efficient Method to Estimate the Suboptimality of Affine Controllers

A Fast Wavelet-Based Reconstruction Method for Magnetic Resonance Imaging

Tracking Multiple Objects under Global Appearance Constraints

Tracking Multiple People under Global Appearance Constraints

A natural-norm Successive Constraint Method for inf-sup lower bounds

A DSS to Optimize Facings on the Shelf of a Retail Store

An Efficient Method to Estimate the Suboptimality of Affine Controllers

An Efficient Method to Estimate the Suboptimality of Affine Controllers

A Fast Wavelet-Based Reconstruction Method for Magnetic Resonance Imaging

A natural-norm Successive Constraint Method for inf-sup lower bounds

A DSS to Optimize Facings on the Shelf of a Retail Store

Tensor optimisation for optical-interferometric imaging

Wavelet-Based Reconstruction for Magnetic Resonance Imaging

Tracking Multiple People under Global Appearance Constraints

Hessian Schatten-Norm Regularization for Linear Inverse Problems

Tracking Multiple Objects under Global Appearance Constraints