Detecting Small Low Emission Sources on a Large Random Background: Inverse Problems Citation: P. Kuchment, “Detecting Small Low Emission Sources on a Large Random Background: Inverse Problems”, Seminar Presentation: February 2, 2011. Associated Project: 1. SHIELD (Smuggled HEU Interdiction through Enhanced anaLysis and Detection): A Framework for Developing Novel Detection Systems Focused on Interdicting Shielded HEU