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Research Output 2012 2019

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Conference contribution
2019

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

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
2018

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

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

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

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
2017

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

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

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

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
2015

A Nonconvex Regularized Approach for Phase Retrieval

Repetti, A., Chouzenoux, E. & Pesquet, J-C., 29 Jan 2015, 2014 IEEE International Conference on Image Processing (ICIP). IEEE, p. 1753-1757 5 p.

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

Image reconstruction
Imaging systems
Costs

A parallel block-coordinate approach for primal-dual splitting with arbitrary random block selection

Repetti, A., Chouzenoux, E. & Pesquet, J-C., 28 Dec 2015, 2015 23rd European Signal Processing Conference (EUSIPCO). IEEE, p. 235-239 5 p.

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

Data storage equipment
Mathematical operators

A random block-coordinate primal-dual proximal algorithm with application to 3D mesh denoising

Repetti, A., Chouzenoux, E. & Pesquet, J-C., 6 Aug 2015, 2015 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, p. 3561-3565 5 p.

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

Inverse problems
Computer vision
Learning systems
Composite materials

Proximal primal-dual optimization methods

Repetti, A., Chouzenoux, E. & Pesquet, J-C., Jan 2015, Proceedings of international BASP Frontiers workshop. BASP, p. 25 1 p.

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

2014

A preconditioned Forward-Backward approach with application to large-scale nonconvex spectral unmixing problems

Repetti, A., Chouzenoux, E. & Pesquet, J-C., 2014, 39th IEEE International Conference on Acoustics, Speech, and Signal Processing.

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

2012

A Penalized Weighted Least Squares Approach for Restoring Data Corrupted with Signal-Dependent Noise

Repetti, A., Chouzenoux, E. & Pesquet, J-C., Aug 2012, 20th European Signal Processing Conference: EUSIPCO 2012. p. 1553-1557

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

Open Access