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Distributed image reconstruction for very large arrays in radio astronomy
André Ferrari, David Mary, Rémi Flamary +1
Current and future radio interferometric arrays such as LOFAR and SKA are characterized by a paradox. Their large number of receptors (up to millions) allow theoretically unprecede…
Multi-frequency image reconstruction for radio interferometry. A regularized inverse problem approach
André Ferrari, Jérémy Deguignet, Chiara Ferrari +3
We describe a "spatio-spectral" deconvolution algorithm for wide-band imaging in radio interferometry. In contrast with the existing multi-frequency reconstruction algorithms, the…
Large Scale 3D Image Reconstruction in Optical Interferometry
Antony Schutz, André Ferrari, David Mary +2
Astronomical optical interferometers (OI) sample the Fourier transform of the intensity distribution of a source at the observation wavelength. Because of rapid atmospheric perturb…