Visage: enabling timely analytics for drone imagery. - Sagar Jha; Youjie Li; Shadi A. Noghabi; Vaishnavi Nattar Ranganathan; Peeyush Kumar; Andrew Nelson; Michael Toelle; Sudipta N. Sinha; Ranveer Chandra; Anirudh Badam (MobiCom, 2021)