This state-of-the-art contributed volume presents a series of peer-reviewed survey articles by top experts in computer vision, pattern recognition and Human-Computer Interaction. It is the first published text capturing the latest research in this rapidly advancing field with exclusive focus on real-time algorithms and practical applications in numerous industries, including computer games and medical and automotive systems. Contributors discuss topics such as Vision-Based Fingerspelling and Hand Gesture Recognition, Head and Facial Animation Tracking, Real-Time Vision Interfaces, and Map Building from Human-Computer Interactions. It is an invaluable reference for researchers and practitioners in the areas of Human-Computer Interaction and computer vision, and an excellent starting point for further research because it outlines further challenges in these fields.