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Research Output 1999 2019

2019

A faceted prior for scalable wideband computational imaging

Thouvenin, P-A., Abdulaziz, A., Jiang, M., Repetti, A. & Wiaux, Y., 2 Jul 2019.

Research output: Contribution to conferenceAbstract

Open Access
File
astronomy
radio
state of the art
norm

A Faceted Prior for Scalable Wideband Imaging: Application to Radio Astronomy

Thouvenin, P-A., Abdulaziz, A., Jiang, M., Repetti, A. & Wiaux, Y., 17 Sep 2019, (Accepted/In press) 2019 IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP). Guadeloupe, West Indies

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Radio astronomy
Imaging techniques
Convex optimization
Telescopes
Frequency bands

A forward-backward algorithm for reweighted procedures: Application to radio-astronomical imaging

Repetti, A. & Wiaux, Y., 18 Oct 2019, (Submitted). 5 p.

Research output: Contribution to conferencePaper

File
composite functions
iteration
critical point

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

Building firmly nonexpansive convolutional neural networks

Terris, M., Repetti, A., Pesquet, J-C. & Wiaux, Y., Oct 2019, (Submitted). 5 p.

Research output: Contribution to conferencePaper

Neural networks
Image denoising
Image processing

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

Deep Post-Processing for Sparse Image Deconvolution

Terris, M., Abdulaziz, A., Dabbech, A., Jiang, M., Repetti, A., Pesquet, J-C. & Wiaux, Y., 1 Jul 2019. 2 p.

Research output: Contribution to conferenceAbstract

Open Access
File
Deconvolution
Astronomy
Processing
Scalability
Imaging techniques

Fast Spatially Coherent Fiber Orientation Estimation in Diffusion MRI from kq-Space Sampling

Pesce, M., Repetti, A. & Wiaux, Y., 16 Sep 2019, (Accepted/In press). 5 p.

Research output: Contribution to conferencePaper

Fiber reinforced materials
Magnetic resonance imaging
Sampling
Inverse problems
Brain

Fourier dimensionality reduction for fast radio transients

Jiang, M., Kartik, V., Thiran, J-P. & Wiaux, Y., 2019, Proceedings of the International BASP Frontiers Workshop 2019. BASP, p. 26-26 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
Imaging techniques
Compressed sensing
Singular value decomposition
Interferometers

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

Hyperspectral Uncertainty Quantification by Optimization

Abdulaziz, A., Repetti, A. & Wiaux, Y., 1 Jul 2019, SPARS 2019. 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
Convex optimization
Imaging techniques
Uncertainty

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

Self-calibration for Magnetic Resonance Fingerprinting

Duarte Coello, R. D. J., Repetti, A. & Wiaux, Y., Feb 2019. 1 p.

Research output: Contribution to conferencePaper

Open Access
File
magnetic resonance
acquisition
upstream
artifacts
coils

Self Direction-Dependent Calibration For Wideband Radio-Interferometric Imaging

Dabbech, A., Repetti, A. & Wiaux, Y., Feb 2019. 1 p.

Research output: Contribution to conferencePaper

Open Access
File
radio telescopes
sky
broadband
optimization
sensitivity

Uncertainty Quantification in Astro-Imaging by Optimisation

Repetti, A., Pereyra, M. A. & Wiaux, Y., Feb 2019. 1 p.

Research output: Contribution to conferencePaper

Open Access
File
Imaging techniques
Medical imaging
Inverse problems
Uncertainty
2018

Compressive Multiplexing of Ultrasound Signals

Besson, A., Perdios, D., Arditi, M., Wiaux, Y. & Thiran, J-P., 20 Dec 2018, 2018 IEEE International Ultrasonics Symposium (IUS). IEEE, 8580067. (IEEE International Ultrasonics Symposium (IUS)).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
multiplexing
coaxial cables
probes
chipping
beamforming

CoverBLIP: scalable iterative matched-filtering for MR Fingerprint recovery

Golbabaee, M., Chen, Z., Wiaux, Y. & Davies, M. E., 4 Feb 2018, (Accepted/In press) Joint Annual Meeting ISMRM-ESMRMB 2018. 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetic resonance
Recovery
Glossaries
Costs
Nearest neighbor search

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

Diffuse time-of-flight imaging with a single-photon camera

Lyons, A., Boccolini, A., Tonolini, F., Repetti, A., Chen, Z., Leach, J., Henderson, R., Wiaux, Y. & Faccio, D., 2018, Computational Optical Sensing and Imaging 2018. Optical Society of America, CM2E.6

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical resolving power
Image resolution
Photons
Cameras
Imaging techniques

Facet-Based Regularization for Scalable Radio-Interferometric Imaging

Naghibzadeh, S., Repetti, A., van der Veen, A-J. & Wiaux, Y., 18 May 2018, (Accepted/In press) EUSIPCO 2018. IEEE

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
Imaging techniques
Radio telescopes
Interferometry
Data storage equipment

Fast kq-Space Sampling with Motion-Induced Phase in Diffusion MRI

Pesce, M., Repetti, A. & Wiaux, Y., 30 Aug 2018, 2018 IEEE 10th Sensor Array and Multichannel Signal Processing Workshop (SAM). IEEE, p. 420-424 5 p. (Sensor Array and Multichannel Signal Processing Workshop (SAM)).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
acquisition
sampling
fibers
contamination
configurations

Pulse-stream models in time-of-flight imaging

Besson, A., Perdios, D., Wiaux, Y. & Thiran, J-P., 13 Sep 2018, 2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, p. 3389-3393 5 p. (International Conference on Acoustics, Speech and Signal Processing).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
Imaging techniques
Compressed sensing
Sensors
Signal to noise ratio
Sampling

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)

Scalable Algorithm for Polarization Constrained Sparse Interferometric Stokes Imaging

Birdi, J., Repetti, A. & Wiaux, Y., 30 Aug 2018, 2018 IEEE 10th Sensor Array and Multichannel Signal Processing Workshop (SAM). IEEE, p. 465-469 5 p. (Sensor Array and Multichannel Signal Processing Workshop (SAM)).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
radio interferometers
Very Large Array (VLA)
polarization
astrophysics
sampling

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

Time-Regularized Blind Deconvolution Approach for Radio Interferometry

Thouvenin, P-A., Repetti, A., Dabbech, A. & Wiaux, Y., 2018, 10th IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2018). IEEE, p. 475-479 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
Deconvolution
Interferometry
Calibration
Image reconstruction
Radio telescopes

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

Uncertainty Quantification in Imaging: When Convex Optimization Meets Bayesian Analysis

Repetti, A., Pereyra, M. A. & Wiaux, Y., 18 May 2018, (Accepted/In press) EUSIPCO 2018. IEEE, 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
Convex optimization
Imaging techniques
Inverse problems
Geometry
Uncertainty
File
Interferometry
Imaging techniques
Convex optimization
Image resolution
Calibration
2017

A compressed-sensing approach for ultrasound imaging

Besson, A., Carrillo, R. E., Perdios, D., Arditi, M., Wiaux, Y. & Thiran, J-P., 2017, Proceedings of SPARS 2017. p. 1-2 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
Compressed sensing
Transducers
Signal encoding
Ultrasonics
Ultrasonography

Adaptive-BLIP for Magnetic Resonance Fingerprinting

Duarte Coello, R. D. J., Chen, Z., Golbabaee, M., Mahbub, Z., Marshall, I., Davies, M. & Wiaux, Y., 1 Feb 2017.

Research output: Contribution to conferencePaper

File

Adaptive-BLIP for partial volume reconstructions in Magnetic Resonance Fingerprinting

Duarte Coello, R. D. J., Chen, Z., Davies, M. E. & Wiaux, Y., 2017.

Research output: Contribution to conferencePaper

A distributed algorithm for wide-band radio-interferometry

Abdulaziz, A., Onose, A., Dabbech, A. & Wiaux, Y., 30 Jan 2017. 1 p.

Research output: Contribution to conferencePaper

Open Access
File
Parallel algorithms
Interferometry
Radio telescopes
Scalability
Imaging techniques

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 non-convex perspective on calibration and imaging in radio interferometry

Repetti, A. & Wiaux, Y., 4 Apr 2017, (Accepted/In press) SPIE Optical Engineering + Applications: Wavelets and Sparsity XVII. SPIE, p. 1-13 13 p. 10394-67

Research output: Chapter in Book/Report/Conference proceedingConference contribution

interferometry
radio astronomy
image reconstruction
dynamic range
high resolution

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

Beamforming-deconvolution: A novel concept of deconvolution for ultrasound imaging

Chen, Z., Besson, A., Thiran, J-P. & Wiaux, Y., 2 Feb 2017, International Biomedical and Astronomical Signal Processing Frontiers Workshop 2017.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

File

Convex optimisation for partial volume estimation in compressive quantitative MRI

Duarte Coello, R. D. J., Chen, Z., Gazzola, S., Marshall, I., Davies, M. & Wiaux, Y., 5 Jun 2017, 6th Signal Processing with Adaptive Sparse Structured Representations workshop 2017.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

File

Cover Tree Compressed Sensing for Fast MR Fingerprint Recovery

Golbabaee, M., Chen, Z., Wiaux, Y. & Davies, M. E., 1 Jun 2017, (Accepted/In press) 2017 IEEE 27th International Workshop on Machine Learning for Signal Processing (MLSP). IEEE

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File

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

Fourier dimensionality reduction of radio-interferometric data

Kartik, V., Carrillo, R. E., Thiran, J-P. & Wiaux, Y., 30 Jan 2017. 1 p.

Research output: Contribution to conferencePaper

Open Access
File
Imaging techniques
Compressed sensing
Convex optimization
Interferometers
Image quality

Joint imaging and DDEs calibration for radio interferometry

Repetti, A., Birdi, J. & Wiaux, Y., 30 Jan 2017, BASP Frontiers Workshop 2017. 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
Interferometry
Calibration
Imaging techniques
Glossaries
Antenna arrays

Joint kq-space acceleration for fibre orientation estimation in diffusion MRI

Pesce, M., Auria, A., Daducci, A., Thiran, J-P. & Wiaux, Y., 30 Jan 2017. 1 p.

Research output: Contribution to conferencePaper

File
Fiber reinforced materials
Magnetic resonance imaging
Deconvolution
Sampling
Magnetic Resonance Imaging

Non-convex blind deconvolution approach for sparse radio-interferometric imaging

Repetti, A., Birdi, J. & Wiaux, Y., 5 Jun 2017, 6th Signal Processing with Adaptive Sparse Structured Representations workshop 2017. p. 1-2 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
image reconstruction
astronomy
dynamic range
interferometry
high resolution
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

Sparsity regularized optical interferometric imaging

Birdi, J., Repetti, A. & Wiaux, Y., 2017, Proceedings of SPARS 2017. p. 1-2 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
norms
acquisition
interferometry
recovery
optimization

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