Abstract: Due to the difficulty in generating the effective descriptors which are robust to occlusion and viewpoint changes, place recognition for 3D point cloud remains an open issue. Unlike most of ...

Abstract: The course knowledge graph aims to provide personalized learning recommendation and learning path map, and solve the problems of “information overload” and “knowledge roaming” among learners ...

Globe Map is a 3D Map that makes the map exploration experience more immersive and magical. It provide the sense of connection to the data with the physical world. This, combined with our spatial ...