Figure and Image Data for "BGnet: Accurate and rapid background estimation in single-molecule localization microscopy with deep neural nets," by Leonhard Möckl, Anish R. Roy, Petar N. Petrov, and W.E. Moerner, Proc. Nat. Acad. Sci. (USA) DOI: 10.1073/pnas.1916219117, published online 23 December 2019.