One thing we did during NASA Frontier Development Lab was write a script to automatically mask the signal in delay-Doppler images. Examples below. This is useful for planetary astronomers. If you'd like to access this and its documentation, please contact me using my contact page. The documentation (version 1.0) is also online here.
This was developed while at NASA Frontier Development Lab, working with Agata Rozek, Sean Marshall, Adam Cobb, Justin Havlovitz, Chedy Raissi, Michael Busch, and Yarin Gal.