This document provides an overview of augmented reality (AR) and discusses:
1. The basics of AR including scene capture, identification, processing and visualization.
2. The differences between AR and virtual reality, with AR enhancing the real world and VR being a totally immersive simulated environment.
3. Best practices of AR including providing context-sensitive information, enhancing senses, exploring the virtual in real environments, and using virtual interfaces to control real-world objects.
4. Applications of AR including navigation, military, medical, maintenance and repair, and invention.