Compressed sensing for radio interferometric imaging: review and future direction

Details Compressed sensing for radio interferometric imaging: review and future direction Compressed sensing for radio interferometric imaging: review and future direction

2011-10-27

arxiv.org/abs/1110.6137v1

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

4 pages, 4 figures, Proceedings of IEEE International Conference on Image Processing (ICIP) 2011

Scientific paper

Radio interferometry is a powerful technique for astronomical imaging. The theory of Compressed Sensing (CS) has been applied recently to the ill-posed inverse problem of recovering images from the measurements taken by radio interferometric telescopes. We review novel CS radio interferometric imaging techniques, both at the level of acquisition and reconstruction, and discuss their superior performance relative to traditional approaches. In order to remain as close to the theory of CS as possible, these techniques necessarily consider idealised interferometric configurations. To realise the enhancement in quality provided by these novel techniques on real radio interferometric observations, their extension to realistic interferometric configurations is now of considerable importance. We also chart the future direction of research required to achieve this goal.

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