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Research Output 2016 2019

2019

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

Optimization-driven Faceted Wide-Band Super-Resolution Imaging in Radio Interferometry (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
broadband
optimization
flat surfaces
dynamic range

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
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

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
File
Interferometry
Imaging techniques
Convex optimization
Image resolution
Calibration
2017

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
Open Access
File
optimization
sky
radio telescopes
antenna arrays
visibility

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
2016

Low-rank and Joint-sparsity models for Hyperspectral Radio-Interferometric Imaging

Abdulaziz, A., Dabbech, A., Onose, A. & Wiaux, Y., 1 Dec 2016, 2016 24th European Signal Processing Conference (EUSIPCO). IEEE, p. 388-392 5 p. (European Signal Processing Conference (EUSIPCO)).

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

Open Access
File
Convex optimization
Imaging techniques
Radio telescopes
Inverse problems
Signal processing