Olivier Bernard

Cette personne n’est plus à l’EPFL

Publications associées (22)

À propos
Confidentialité
Mentions légales

Extension of ultrasound Fourier slice Imaging theory to sectorial acquisition

Jean-Philippe Thiran, Rafael Eduardo Carrillo Rangel, Adrien Georges Jean Besson, Olivier Bernard

Ultrasound image reconstruction from the echoes received by an ultrasound probe after the transmission of diverging waves is an active area of research because of its capacity to insonify at ultra-high frame rate with large regions of interest using small ...

2015

Ultrasound Fourier Slice Imaging: a novel approach for ultrafast imaging technique

Jean-Philippe Thiran, Olivier Bernard

Ultrafast imaging based on plane-wave (PW) has become an intense area of research thanks to its capability of reaching frame rate higher than a thousand of frames per second. Several proposed approaches are based on Fourier-domain reconstruction. In these ...

Ieee2014

Variational B-Spline Level-Set: A Linear Filtering Approach for Fast Deformable Model Evolution

Michaël Unser, Philippe Thévenaz, Olivier Bernard

In the field of image segmentation, most level-set-based active-contour approaches take advantage of a discrete representation of the associated implicit function. We present in this paper a different formulation where the implicit function is modeled as a ...

IEEE2009

State Estimation for Wastewater Treatment Processes

Benoît Chachuat, Olivier Bernard

John Wiley & Sons Ltd2007

Can we assess the model complexity for a bioprocess: theory and example of the anaerobic digestion process

Benoît Chachuat, Olivier Bernard

In this paper we propose a methodology to determine the structure of the pseudo-stoichiometric coefficient matrix K in a mass balance based model, i.e. the maximal number of biomasses that must be taken into account to reproduce an available data set. It c ...

2006

In this paper, probabilistic observers are considered for a class of continuous biological processes described by mass-balance-based models. It is assumed that the probability density functions (PDFs) of the uncertain parameters and inputs of the model, as ...

2006

An integrated system to remote monitor and control anaerobic wastewater treatment plants through the internet

Benoît Chachuat, Olivier Bernard, Andrea Franco, Pierre Lemaire, Gabriel Ruiz

The TELEMAC project brings new methodologies from the Information and Science Technologies field to the world of water treatment. TELEMAC offers an advanced remote management system which adapts to most of the anaerobic wastewater treatment plants that do ...

2005

Assessing Model Complexity from Anaerobic Digestion Data: When is Model AM1 Required?

Benoît Chachuat, Olivier Bernard

The anaerobic digestion ecosystem is complex, involving a broad variety of substrates and up to 140 bacterial species. This paper applies a methodology that determines the least number of macroscopic bioreactions to be taken into account in order to explai ...

2005

Design of Probabilistic Observers for Mass-Balance-Based Bioprocess Models

Benoît Chachuat, Olivier Bernard

In this paper, the design of probabilistic observers for mass-balance based bioprocess models is investigated. It is assumed that the probability density of every uncertain parameter, input and/or initial state is known a priori. Then, the probability dens ...

2004

Design and Practical Use of Probabilistic Observers for Mass-Balance-Based Bioprocess Models

Benoît Chachuat, Olivier Bernard

In this paper, the design of probabilistic observers for mass-balance based bio- process models is investigated. It is assumed that the probability density function of every uncertain parameter, input and/or initial state is known a priori. Then, the proba ...

2004

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2006

Probabilistic observers for a class of uncertain biological processes

Benoît Chachuat

Olivier Bernard

An integrated system to remote monitor and control anaerobic wastewater treatment plants through the internet

Benoît Chachuat, Olivier Bernard, Andrea Franco, Pierre Lemaire, Gabriel Ruiz

2005