This document provides an overview of 3D television (3DTV) technology. It discusses the key components of 3DTV systems including capture, representation, coding, transmission, signal processing, and display. Under capture, it mentions techniques like multi-camera, single camera, and holographic capture. It also addresses representation formats, coding standards, transmission methods, signal processing challenges, and various display technologies. Finally, it outlines several applications for 3DTV beyond entertainment, such as education, medicine, cultural preservation, and military/industrial uses.