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Personal profile

Research interests

My research interests include optimisation (convex, nonconvex, and stochastic), Bayesian inference, and applications to high dimensional inverse problems (e.g. computational imaging, statistical graph processing, etc.).

Personal webpage


I obtained an M.Sc. degree in Mathematics from the University Pierre and Marie Curie (Paris VI, France) in 2011. I completed my Ph.D. in the field of optimisation in the University of Paris-Est (France) in 2015, and I has been a Research Associate in Heriot Watt University from 2015 to 2018, in the EPS school. I am now an Assistant Professor in both EPS and MACS schools.

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  • 2 Similar Profiles
Imaging techniques Engineering & Materials Science
Convex optimization Engineering & Materials Science
Interferometry Engineering & Materials Science
Deconvolution Engineering & Materials Science
interferometry Physics & Astronomy
Inverse problems Engineering & Materials Science
acquisition Physics & Astronomy
Scalability Engineering & Materials Science

Co Author Network Recent external collaboration on country level. Dive into details by clicking on the dots.

Research Output 2012 2020

Parallel faceted imaging in radio interferometry via proximal splitting (Faceted HyperSARA): when precision meets scalability

Thouvenin, P-A., Abdulaziz, A., Jiang, M., Dabbech, A., Repetti, A., Jackson, A., Thiran, J-P. & Wiaux, Y., Jan 2020, (Submitted) In : Monthly Notices of the Royal Astronomical Society.

Research output: Contribution to journalArticle

Imaging techniques
Program processors

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
state of the art

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

Thouvenin, P-A., Abdulaziz, A., Jiang, M., Repetti, A., Dabbech, A. & Wiaux, Y., 16 Dec 2019.

Research output: Contribution to conferencePaper

Open Access
Radio astronomy
Imaging techniques
Convex optimization
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

composite functions
critical point

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


Dataset record replaced by updated record, see below.

Abdulaziz, A. (Creator), Jiang, M. (Creator), Dabbech, A. (Creator), Heriot-Watt University, Jan 2020


Cygnus A image cubes at C band (4-8 GHz) obtained with Faceted HyperSARA

Thouvenin, P. (Creator), Abdulaziz, A. (Creator), Jiang, M. (Creator), Dabbech, A. (Creator), Repetti, A. (Creator), Jackson, A. (Creator), Wiaux, Y. (Creator), Heriot-Watt University, 2020