论文：This is a monocular dense mapping system following the IEEE Robotics and Automation Letters (RA-L) submission Quadtree-accelerated Real-time Monocular Dense Mapping, Kaixuan Wang, Wenchao Ding, Shaojie Shen.
代码地址：https://github.com/HKUST-Aerial-Robotics/open_quadtree_mapping