ARPool Intelligent Billiard Training System (ARPool for short) is an innovative sports human-computer interaction technology from Canada and an outstanding application case in the field of smart sports\nARPool uses computer vision (AI) and multimedia augmented reality (AR) technology to greatly enhance the teaching, entertainment and competitive experience of different water table tennis enthusiasts in the real scenes of various billiard sports. The system can be flexibly applied to various sizes of American and Chinese pool tables, and different indoor lighting environments.