This informative guide shows you how to model the entire target acquisition process using either visible or infrared imaging systems. You'll find algorithms and data sources for modeling targets and backgrounds, atmospherics, visible and infrared imaging systems, and the acquisition performance of the human operator. Written by leading industry experts with more than a half-century of collective experience in the field, the book is ideal for those responsibile for selecting appropriate optical or electro-optical solutions, or evaluating the performance of available hardware in order to meet overall system requirement goals.