Publications related to Towards More Accurate and Efficient Beamformed Radio Interferometry Imaging

Detecting and Localizing Differences in Functional Time Series Dynamics: A Case Study in Molecular Biophysics

Motivated by the problem of inferring the molecular dynamics of DNA in solution, and linking them with its base-pair composition, we consider the problem of comparing the dynamics of functional time series (FTS), and of localizing any inferred differences ...

American Statistical Association2016

Effective a posteriori Co-Phasing of Interferometric Fringe Data

Ferréol Arnaud Marie Soulez

We have recently shown that a posteriori co-phasing of multi-spectral interferograms was possible.(1) In this contribution, we extend our approach so that it can be applied to actual data as provided by AMBER(2) or MATISSE instruments. The main advantage o ...

SPIE2016

On Flexibeam for radio interferometry

Paul Hurley, Matthieu Martin Jean-André Simeoni

Beamforming in radio astronomy focuses at and around a direction using matched beamforming or a derivative, to both maximise the energy coming from this point and reduce the data rate to the central processor. Such beamformers often result in large side-lo ...

2016

A vector field method on the distorted Fourier side and decay for wave equations with potentials

Joachim Krieger, Roland Donninger

We study the Cauchy problem for the one-dimensional wave equation

\partial_t^2 u(t,x)-\partial_x^2 u(t,x)+V(x)u(t,x)=0.

The potential

V

is assumed to be smooth with asymptotic behavior

V(x)\sim -\tfrac14 |x|^{-2}\mbox{ as } |x|\to \infty.

...

2016

Fourier Analysis of MAC Polarization

Emre Telatar, Rajai Nasser

A problem of the polar code construction for multiple access channels (MACs) is that they do not always achieve the whole capacity region. Although polar codes achieve the sum-capacity of symmetric MACs, polarization may induce a loss in the capacity regio ...

2015

Design of Steerable Wavelets to Detect Multifold Junctions

Michaël Unser, Zsuzsanna Püspöki, Cédric René Jean Vonesch, Virginie Sophie Uhlmann

We propose a framework for the detection of junctions in images. Although the detection of edges and key points is a well examined and described area, the multiscale detection of junction centers, especially for odd orders, poses a challenge in pattern ana ...

IEEE2015

Determination of a shear rate threshold for thrombus formation in intracranial aneurysms

Orestis Pileas Malaspinas, Ricardo Alberto Corredor Jerez, Bastien Chopard

Particular intra-aneurysmal blood flow conditions, created naturally by the growth of an aneurysm or induced artificially by implantation of a flow diverter stent (FDS), can potentiate intra-aneurysmal thrombosis. The aim of this study was to identify hemo ...

2015

Fast live cell imaging at nanometer scale using annihilating filter based low rank Hankel matrix approach

Michaël Unser, Suliana Manley, Lina Carlini

Localization microscopy such as STORM/PALM can achieve a nanometer scale spatial resolution by iteratively localizing fluorescence molecules. It was shown that imaging of densely activated molecules can accelerate temporal resolution which was considered a ...

Spie-Int Soc Optical Engineering2015

A twisted Motohashi formula and Weyl-subconvexity for -functions of weight two cusp forms

Ian Nicholas Petrow

We derive a Motohashi-type formula for the cubic moment of central values of -functions of level cusp forms twisted by quadratic characters of conductor , previously studied by Conrey and Iwaniec and Young. Corollaries of this formula include Weyl-subconve ...

Springer Verlag2015

Fourier Analysis of Functional Time Series, with Applications to DNA Dynamics

Shahin Tavakoli

This work is about time series of functional data (functional time series), and consists of three main parts. In the first part (Chapter 2), we develop a doubly spectral decomposition for functional time series that generalizes the Karhunen–Loève expansion ...

EPFL2014

Towards More Accurate and Efficient Beamformed Radio Interferometry Imaging

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Detecting and Localizing Differences in Functional Time Series Dynamics: A Case Study in Molecular Biophysics

Effective a posteriori Co-Phasing of Interferometric Fringe Data

On Flexibeam for radio interferometry

A vector field method on the distorted Fourier side and decay for wave equations with potentials

Fourier Analysis of MAC Polarization

Design of Steerable Wavelets to Detect Multifold Junctions

Determination of a shear rate threshold for thrombus formation in intracranial aneurysms

Fast live cell imaging at nanometer scale using annihilating filter based low rank Hankel matrix approach

A twisted Motohashi formula and Weyl-subconvexity for -functions of weight two cusp forms

Fourier Analysis of Functional Time Series, with Applications to DNA Dynamics

On Flexibeam for radio interferometry

A vector field method on the distorted Fourier side and decay for wave equations with potentials

Detecting and Localizing Differences in Functional Time Series Dynamics: A Case Study in Molecular Biophysics

Fourier Analysis of MAC Polarization

Design of Steerable Wavelets to Detect Multifold Junctions

Fast live cell imaging at nanometer scale using annihilating filter based low rank Hankel matrix approach

Effective a posteriori Co-Phasing of Interferometric Fringe Data

Fourier Analysis of Functional Time Series, with Applications to DNA Dynamics

Determination of a shear rate threshold for thrombus formation in intracranial aneurysms

A twisted Motohashi formula and Weyl-subconvexity for -functions of weight two cusp forms