SMILI uses sparse sampling techniques and other regularization methods for interferometric imaging. The python-interfaced library is mainly designed for very long baseline interferometry, and has been under the active development primarily for the Event Horizon Telescope (EHT).
https://ui.adsabs.harvard.edu/abs/2017ApJ...838....1A and https://ui.adsabs.harvard.edu/abs/2017AJ....153..159A