We propose a new approach within the versatile framework of convex optimization to solve
the radio-interferometric wideband imaging problem. Our approach, dubbed HyperSARA …

Upcoming radio interferometers are aiming to image the sky at new levels of resolution and
sensitivity, with wide-band image cubes reaching close to the petabyte scale for SKA …

With the advent of the next-generation radio-interferometric telescopes, like the Square
Kilometre Array, novel signal processing methods are needed to provide the expected …

In the era of big data, radio astronomical image reconstruction algorithms are challenged to
estimate clean images given limited computing resources and time. This article is driven by …

The advent of enhanced technologies in radio interferometry and the perspective of the SKA
telescope bring new challenges in image reconstruction. One of these challenges is the …

Les radiotélescopes interféromètres permettent de reconstruire des images des émissions
radio provenant de sources célestes. Ces images sont d'un grand intérêt pour les …

We describe a" spatio-spectral" deconvolution algorithm for wide-band imaging in radio
interferometry. In contrast with the existing multi-frequency reconstruction algorithms, the …

Upcoming radio interferometers are aiming to image the sky at new levels of resolution and
sensitivity, with wide-band image cubes reaching close to the Petabyte scale for SKA …

The future radio-interferometric telescopes like the Square Kilometre Array will have
unprecedented resolution, sensitivity and bandwidth. To take advantage of these powerful …

With millions of receivers leading to TerraByte data cubes, the story of the giant SKA
telescope is also that of collaborative efforts from radioastronomy, signal processing …