1. An Optimization Technique of the 3D Indoor Map Data Based on an Improved Octree Structure. (10th July 2020) Authors: Yu, Xiaomin; Wang, Huiqiang; Lv, Hongwu; Fu, Junqiang Other Names: Chen Chi-Hua Guest Editor. Journal: Mathematical problems in engineering Issue: Volume 2020(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗