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Research Output 1999 2019

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Article
2019

A Physical Model of Non-stationary Blur in Ultrasound Imaging

Besson, A., Roquette, L., Perdios, D., Simeoni, M., Arditi, M., Hurley, P., Wiaux, Y. & Thiran, J-P., 6 Feb 2019, In : IEEE Transactions on Computational Imaging.

Research output: Contribution to journalArticle

Open Access
File
restoration
shift
plane waves
approximation
operators

Computational time-of-flight diffuse optical tomography

Lyons, A., Boccolini, A., Tonolini, F., Repetti, A., Henderson, R., Wiaux, Y. & Faccio, D. F. A., Aug 2019, In : Nature Photonics. 13, 8, p. 575-579 5 p.

Research output: Contribution to journalArticle

Open Access
Optical tomography
tomography
Imaging techniques
photons
mean free path

Greedy Approximate Projection for Magnetic Resonance Fingerprinting with Partial Volumes

Duarte Coello, R. D. J., Repetti, A., Gómez, P. A., Davies, M. E. & Wiaux, Y., 22 Jul 2019, (Accepted/In press) In : Inverse Problems. 32 p.

Research output: Contribution to journalArticle

File
Magnetic resonance
Tissue
Data storage equipment
Recovery

Joint Sparsity with Partially Known Support and Application to Ultrasound Imaging

Besson, A., Perdios, D., Wiaux, Y. & Thiran, J-P., Jan 2019, In : IEEE Signal Processing Letters. 26, 1, p. 84-88 5 p.

Research output: Contribution to journalArticle

Open Access
File
Ultrasound
Sparsity
Ultrasonics
Imaging
Imaging techniques

Parallel Faceted Imaging in Radio Interferometry via proximal splitting (Faceted HyperSARA)

Thouvenin, P-A., Abdulaziz, A., Jiang, M., Dabbech, A., Repetti, A. & Wiaux, Y., 8 Aug 2019, (In preparation) In : Monthly Notices of the Royal Astronomical Society.

Research output: Contribution to journalArticle

interferometry
flat surfaces
broadband
dynamic range
sky
Open Access
File
Convex optimization
Inverse problems
Imaging techniques
Decision theory
Astronomy
2018

Cygnus A super-resolved via convex optimisation from VLA data

Dabbech, A., Onose, A., Abdulaziz, A., Perley, R. A., Smirnov, O. M. & Wiaux, Y., 21 May 2018, In : Monthly Notices of the Royal Astronomical Society. 476, 3, p. 2853–2866 14 p.

Research output: Contribution to journalArticle

Open Access
File
Very Large Array (VLA)
optimization
image reconstruction
galaxies
high resolution

Robust sparse image reconstruction of radio interferometric observations with PURIFY

Pratley, L., McEwen, J. D., d'Avezac, M., Carrillo, R. E., Onose, A. & Wiaux, Y., 1 Jan 2018, In : Monthly Notices of the Royal Astronomical Society. 473, 1, p. 1038-1058 21 p.

Research output: Contribution to journalArticle

Open Access
File
radio observation
image reconstruction
interpolation
radio interferometers
Very Large Array (VLA)

Sparse interferometric Stokes imaging under polarization constraint (Polarized SARA)

Birdi, J., Repetti, A. & Wiaux, Y., 21 Aug 2018, In : Monthly Notices of the Royal Astronomical Society. 478, 4, p. 4442-4463 22 p.

Research output: Contribution to journalArticle

Open Access
File
polarization
event horizon
cotton
interferometry
projection

Ultrafast ultrasound imaging as an inverse problem: Matrix-free sparse image reconstruction

Besson, A., Perdios, D., Martinez, F., Chen, Z., Carrillo, R. E., Arditi, M., Wiaux, Y. & Thiran, J-P., Mar 2018, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control . 65, 3, p. 339-355 17 p.

Research output: Contribution to journalArticle

Open Access
File
Computer-Assisted Image Processing
Ultrasonography
File
Interferometry
Imaging techniques
Convex optimization
Image resolution
Calibration
2017

A Fourier dimensionality reduction model for big data interferometric imaging

Kartik, V., Carrillo, R. E., Thiran, J-P. & Wiaux, Y., 21 Jun 2017, In : Monthly Notices of the Royal Astronomical Society. 468, 2, p. 2382–2400 19 p.

Research output: Contribution to journalArticle

Open Access
File
Imaging techniques
Convex optimization
Compressed sensing
Image reconstruction
Big data

A regularized tri-linear approach for optical interferometric imaging

Birdi, J., Repetti, A. & Wiaux, Y., 11 Jun 2017, In : Monthly Notices of the Royal Astronomical Society. 468, 1, p. 1142–1155 14 p.

Research output: Contribution to journalArticle

Open Access
File
Imaging techniques
Glossaries
Power spectrum
Inverse problems
Interferometry

Fast nonnegative least squares through flexible Krylov subspaces

Gazzola, S. & Wiaux, Y., 27 Apr 2017, In : SIAM Journal on Scientific Computing. 39, 2, p. A655–A679 25 p.

Research output: Contribution to journalArticle

Open Access
File
Iterative methods
Image reconstruction
Experiments
Open Access
File
optimization
sky
radio telescopes
antenna arrays
visibility

Sparse image reconstruction on the sphere: analysis and synthesis

Wallis, C. G. R., Wiaux, Y. & McEwen, J. D., Nov 2017, In : IEEE Transactions on Image Processing. 26, 11, p. 5176-5187 12 p.

Research output: Contribution to journalArticle

Open Access
File
Image reconstruction
Sampling
Inverse problems
Magnetism
Deconvolution

The w-effect in interferometric imaging: from a fast sparse measurement operator to super-resolution

Dabbech, A., Wolz, L., Prateley, L., McEwen, J. D. & Wiaux, Y., 11 Nov 2017, In : Monthly Notices of the Royal Astronomical Society. 471, 4, p. 4300–4313 14 p.

Research output: Contribution to journalArticle

Open Access
File
Modulation
Imaging techniques
Radio telescopes
Data storage equipment
Convex optimization

Wavelet-Bayesian inference of cosmic strings embedded in the cosmic microwave background

McEwen, J. D., Feeney, S. M., Peiris, H. V., Wiaux, Y., Ringeval, C. & Bouchet, F. R., 21 Dec 2017, In : Monthly Notices of the Royal Astronomical Society. 472, 4, p. 4081-4098 18 p.

Research output: Contribution to journalArticle

Open Access
File
inference
wavelet
strings
microwaves
simulation
2016

A sparse reconstruction framework for Fourier-based plane wave imaging

Besson, A., Zhang, M., Varray, F., Liebgott, H., Friboulet, D., Wiaux, Y., Thiran, J-P., Carrillo, R. E. & Bernard, O., Dec 2016, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control . 63, 12, p. 2092-2106 15 p.

Research output: Contribution to journalArticle

Open Access
File
plane waves
noise measurement
lobes
magnetic resonance
artifacts

Gauss-Legendre Sampling on the Rotation Group

Khalid, Z., Durrani, S., Kennedy, R. A., Wiaux, Y. & McEwen, J. D., Feb 2016, In : IEEE Signal Processing Letters. 23, 2, p. 207-211 5 p.

Research output: Contribution to journalArticle

Fourier transforms
Sampling
Inverse transforms
Experiments

Localisation of directional scale-discretised wavelets on the sphere

McEwen, J. D., Durastanti, C. & Wiaux, Y., 8 Apr 2016, In : Applied and Computational Harmonic Analysis.

Research output: Contribution to journalArticle

Open Access
File

Scalable splitting algorithms for big-data interferometric imaging in the SKA era

Onose, A., Carrillo, R. E., Repetti, A., McEwen, J. D., Thiran, J-P., Pesquet, J-C. & Wiaux, Y., 11 Nov 2016, In : Monthly Notices of the Royal Astronomical Society. 462, 4, p. 4314-4335 22 p.

Research output: Contribution to journalArticle

Open Access
File
Convex optimization
Scalability
Imaging techniques
Radio telescopes
Image reconstruction
2015

A modulated closed form solution for quantitative susceptibility mapping - a thorough evaluation and comparison to iterative methods based on edge prior knowledge

Khabipova, D., Wiaux, Y., Gruetter, R. & Marques, J. P., 2015, In : NeuroImage. 107, p. 163-174

Research output: Contribution to journalArticle

Open Access
File
mapping method
methodology
evaluation
comparison
method

A novel sampling theorem on the rotation group

McEwen, J. D., Buttner, M., Leistedt, B., Peiris, H. & Wiaux, Y., Dec 2015, In : IEEE Signal Processing Letters. 22, 12, p. 2425-2429 5 p.

Research output: Contribution to journalArticle

Open Access
File
Sampling
Wavelet transforms
Fourier transforms

On spin scale-discretised wavelets on the sphere for the analysis of CMB polarisation

McEwen, J. D., Buttner, M., Leistedt, B., Peiris, H. V., Vandergheynst, P. & Wiaux, Y., Jul 2015, In : Proceedings of the International Astronomical Union. 10, S306, p. 64-67 4 p.

Research output: Contribution to journalArticle

microwaves
wavelet analysis
polarization
celestial sphere
sky

Structured sparsity for spatially coherent fibre orientation distribution estimation in diffusion MRI

Auria, A., Daducci, A., Thiran, J-P. & Wiaux, Y., 2015, In : NeuroImage. 115, p. 245-255

Research output: Contribution to journalArticle

Open Access
File
Fiber reinforced materials
Magnetic resonance imaging
Distribution functions
Brain
2014

A compressed sensing framework for magnetic resonance fingerprinting

Davies, M., Puy, G., Vandergheynst, P. & Wiaux, Y., 2014, In : SIAM Journal on Imaging Sciences . 7, 4, p. 2623-2656

Research output: Contribution to journalArticle

Open Access
File
Compressed sensing
Magnetic resonance
Magnetic resonance imaging
Protons
Recovery

PURIFY: a new approach to radio-interferometric imaging

Carrillo, R. E., McEwen, J. D. & Wiaux, Y., 2014, In : Monthly Notices of the Royal Astronomical Society. 439, 4, p. 3591-3604

Research output: Contribution to journalArticle

Open Access
File
Visibility
Convex optimization
Imaging techniques
Compressed sensing
Image reconstruction

Quantitative comparison of reconstruction methods for intra-voxel fiber recovery from diffusion MRI

Daducci, A., Canales-Rodriguez, E. J., Descoteaux, M., Garyfallidis, E., Gur, Y., Lin, Y. C., Mani, M., Merlet, S., Paquette, M., Ramirez-Manzanares, A., Reisert, M., Rodrigues, P. R., Sepehrband, F., Caruyer, E., Choupan, J., Deriche, R., Jacob, M., Menegaz, G., Prckovska, V., Rivera, M. & 2 others, Wiaux, Y. & Thiran, J-P., Feb 2014, In : IEEE Transactions on Medical Imaging. 33, 2, p. 384-399 16 p.

Research output: Contribution to journalArticle

Open Access
File
Diffusion Magnetic Resonance Imaging
Magnetic resonance
Imaging techniques
Recovery
Fibers

Self-navigation with compressed sensing for 2D translational motion correction in free-breathing coronary MRI: a feasibility study

Bonanno, G., Puy, G., Wiaux, Y., van Heeswijk, R. B., Piccini, D. & Stuber, M., 29 Aug 2014, In : PLoS ONE. 9, 8, 10 p., 105523.

Research output: Contribution to journalArticle

Open Access
File

Sparse regularization for fiber ODF reconstruction: From the suboptimality of ℓ2 and ℓ1 priors to ℓ0

Daducci, A., Van De Ville, D., Thiran, J-P. & Wiaux, Y., Aug 2014, In : Medical Image Analysis. 18, 6, p. 820-833 14 p.

Research output: Contribution to journalArticle

Open Access
File
Deconvolution
Fiber reinforced materials
Fibers
Compressed sensing
Diffusion Magnetic Resonance Imaging

Tensor optimization for optical-interferometric imaging

Auŕla, A., Carrillo, R., Thiran, J-P. & Wiaux, Y., 21 Jan 2014, In : Monthly Notices of the Royal Astronomical Society. 437, 3, p. 2083-2091 9 p.

Research output: Contribution to journalArticle

Open Access
File
2013

Fast directional spatially localized spherical harmonic transform

Khalid, Z., Kennedy, R. A., Durrani, S., Sadeghi, P., Wiaux, Y. & McEwen, J. D., 1 May 2013, In : IEEE Transactions on Signal Processing. 61, 9, p. 2192-2203 12 p., 6463461.

Research output: Contribution to journalArticle

Eigenvalues and eigenfunctions
Spectrum analysis

Revisiting the spread spectrum effect in radio interferometric imaging: A sparse variant of the w-projection algorithm

Wolz, L., McEwen, J. D., Abdalla, F. B., Carrillo, R. E. & Wiaux, Y., 1 Dec 2013, In : Monthly Notices of the Royal Astronomical Society. 436, 3, p. 1993-2003 11 p.

Research output: Contribution to journalArticle

Open Access
File

S2LET: A code to perform fast wavelet analysis on the sphere

Leistedt, B., McEwen, J. D., Vandergheynst, P. & Wiaux, Y., 25 Oct 2013, In : Astronomy and Astrophysics. 558, p. A128 A128.

Research output: Contribution to journalArticle

Open Access
File
wavelet analysis
wavelet
transform
ships
European Southern Observatory

Sparse image reconstruction on the sphere: implications of a new sampling theorem

McEwen, J. D., Puy, G., Thiran, J-P., Vandergheynst, P., Van De Ville, D. & Wiaux, Y., Jun 2013, In : IEEE Transactions on Image Processing. 22, 6, p. 2275-2285 11 p., 6471228.

Research output: Contribution to journalArticle

Computer-Assisted Image Processing
Image reconstruction
Sampling
Sampling Studies
Computer simulation

Sparse reverberant audio source separation via reweighted analysis

Arberet, S., Vandergheynst, P., Carrillo, R. E., Thiran, J-P. & Wiaux, Y., Jul 2013, In : IEEE Transactions on Audio, Speech, and Language Processing. 21, 7, p. 1391-1402 12 p., 6473837.

Research output: Contribution to journalArticle

Source separation
Blind source separation
Reverberation
reverberation
narrowband

Sparsity averaging for compressive imaging

Carrillo, R. E., McEwen, J. D., Van De Ville, D., Thiran, J-P. & Wiaux, Y., 20 May 2013, In : IEEE Signal Processing Letters. 20, 6, p. 591-594 4 p., 6507650.

Research output: Contribution to journalArticle

Compressed sensing
Glossaries
Sparsity
Averaging
Imaging
2012

Sparsity Averaging Reweighted Analysis (SARA): a novel algorithm for radio-interferometric imaging

Carrillo, R. E., McEwen, J. D. & Wiaux, Y., 21 Oct 2012, In : Monthly Notices of the Royal Astronomical Society. 426, 2, p. 1223-1234 12 p.

Research output: Contribution to journalArticle

Open Access
File
radio
imaging method
inverse problem
image reconstruction
interferometry

Spread spectrum magnetic resonance imaging

Puy, G., Marques, J. P., Gruetter, R., Thiran, J-P., Van De Ville, D., Vandergheynst, P. & Wiaux, Y., Mar 2012, In : IEEE Transactions on Medical Imaging. 31, 3, p. 586-598 13 p., 6061962.

Research output: Contribution to journalArticle

Magnetic resonance
Magnetic Resonance Imaging
Imaging techniques
Sampling
Compressed sensing

Universal and efficient compressed sensing by spread spectrum and application to realistic Fourier imaging techniques

Puy, G., Vandergheynst, P., Gribonval, R. & Wiaux, Y., 2012, In : EURASIP Journal on Advances in Signal Processing. 2012, 6.

Research output: Contribution to journalArticle

Compressed sensing
Modulation
Imaging techniques
Chirp modulation
Magnetic resonance
2011

A novel sampling theorem on the sphere

McEwen, J. D. & Wiaux, Y., Dec 2011, In : IEEE Transactions on Signal Processing. 59, 12, p. 5876-5887 12 p., 6006544.

Research output: Contribution to journalArticle

Sampling
Fast Fourier transforms
Computational complexity
Experiments

Compressed sensing for wide-field radio interferometric imaging

McEwen, J. D. & Wiaux, Y., 11 May 2011, In : Monthly Notices of the Royal Astronomical Society. 413, 2, p. 1318-1332 15 p.

Research output: Contribution to journalArticle

Open Access
File
radio
field of view
spherical coordinates
radio telescopes
projection

Data compression on the sphere

McEwen, J. D., Wiaux, Y. & Eyers, D. M., Jul 2011, In : Astronomy and Astrophysics. 531, 13 p., A98.

Research output: Contribution to journalArticle

data compression
compression
microwaves
illumination
celestial sphere

On variable density compressive sampling

Puy, G., Vandergheynst, P. & Wiaux, Y., Oct 2011, In : IEEE Signal Processing Letters. 18, 10, p. 595-598 4 p., 5976374.

Research output: Contribution to journalArticle

Sampling
Sparsity
Convex optimization
Prior Information
Convex Optimization
2010

Compressed sensing reconstruction of a string signal from interferometric observations of the cosmic microwave background

Wiaux, Y., Puy, G. & Vandergheynst, P., 11 Mar 2010, In : Monthly Notices of the Royal Astronomical Society. 402, 4, p. 2626-2636 11 p.

Research output: Contribution to journalArticle

strings
microwaves
Kaiser effect
radio
statistical distribution
2009

Compressed sensing imaging techniques for radio interferometry

Wiaux, Y., Jacques, L., Puy, G., Scaife, A. M. M. & Vandergheynst, P., 21 May 2009, In : Monthly Notices of the Royal Astronomical Society. 395, 3, p. 1733-1742 10 p.

Research output: Contribution to journalArticle

Open Access
File
interferometry
imaging techniques
radio
astrophysics
cosmic microwave background radiation

Spread spectrum for imaging techniques in radio interferometry

Wiaux, Y., Puy, G., Boursier, Y. & Vandergheynst, P., 1 Dec 2009, In : Monthly Notices of the Royal Astronomical Society. 400, 2, p. 1029-1038 10 p.

Research output: Contribution to journalArticle

Open Access
File
interferometry
imaging techniques
dictionaries
radio
radio interferometers

Wavelet domain Bayesian denoising of string signal in the cosmic microwave background

Hammond, D. K., Wiaux, Y. & Vandergheynst, P., 21 Sep 2009, In : Monthly Notices of the Royal Astronomical Society. 398, 3, p. 1317-1332 16 p.

Research output: Contribution to journalArticle

wavelet
strings
microwaves
normal density functions
anisotropy
2008

Exact reconstruction with directional wavelets on the sphere

Wiaux, Y., McEwen, J. D., Vandergheynst, P. & Blanc, O., 1 Aug 2008, In : Monthly Notices of the Royal Astronomical Society. 388, 2, p. 770-788 19 p.

Research output: Contribution to journalArticle

dilation
wavelet
formalism
harmonics
astrophysics