Abstract: Laser scanning technology plays an important role in forest inventory, as it enables accurate 3D information capturing in a fast and environmentally-friendly manner. The goal of this study is to develop methods for detecting and discriminating individual trees from TLS point clouds of five plots in a boreal coniferous forest. The propo... Bisheng Yang, Wenxia Dai, Zhen Dong and Yang Liu​ 杨必胜，代文霞，董震

Abstract：Point clouds collected by terrestrial laser scanning (TLS) from large-scale urban scenes contain a wide variety of objects (buildings, cars, pole-like objects, and others) with symmetric and incomplete structures, and relatively low-textured surfaces, all of which pose great challenges for automatic registration between scans. To address... Bisheng Yang, Zhen Dong, Fuxun Liang, Yuan Liu 杨必胜，董震，梁福逊

Abstract：Laser scanning techniques have been widely used to capture three-dimensional (3D) point clouds of various scenes (e.g. urban scenes). In particular, airborne laser scanning (ALS) and mobile laser scanning (MLS), terrestrial laser scanning (TLS) are effective to capture point clouds from top or side view. Registering the complimentary ... Bisheng Yang, Yufu Zang, Zhen Dong, Ronggang Huang 杨必胜，董震，黄荣刚 Airborne laser scanning；Terrestrial laser scanning；Registration；Building outline；Laplacian matrix；Spectral space

ABSTRACT：Using prospecting line profile map in combination with drilling and other information for 3D reconstruction of geological model is an important method of 3D geological modeling. This paper discusses the theory and implementation method of 崔杨，Qing-Yuan Li, Yang Cui, Chun-Mei Chen, Qian-Lin Dong, Zi-Xiang Ma，Prospecting Line Profile, 3D Geology Modeling, Upgrading Dimensional, Coordinate Transformation, Profile Framework, Segmented Convert

Abstract：Use of direct geo-referencing data leads to registration failure between sequent images and LiDAR data captured by mini-UAV platforms because of low-cost sensors. This paper therefore proposes a novel automatic registration method for sequent images and LiDAR data captured by mini-UAVs. First, the proposed method extracts building outlines from LiDAR data and ima... Bisheng Yang, Chi Chen 杨必胜，陈驰 Unmanned aerial vehicles mapping；LiDAR data；Sequent images；Registration；Linear features；Multi-view stereo

​Abstract:Point clouds collected in urban scenes contain a huge number of points (e.g., billions), numerous objects with significant size variability, complex and incomplete structures, and variable point densities, raising great challenges for the automated extraction of urban objects in the field of photogrammetry, computer vision, and robotics... 杨必胜，董震，赵刚，代文霞

Abstract：Automatic extracting building outlines from airborne laser scanning (ALS) point clouds has been an active topic in the field of photogrammetry, remote sensing, and computer vision. In this paper, a marked point process method was implemented to extract building outlines from ALS point clouds. First, the Gibbs energy model of building objects is defi... Bisheng Yang， Wenxue Xu， Zhen Dong 董震，杨必胜，徐文学 building outlines, marked point processes, airborne laser scanning

Bisheng Yang , Zhen Dong Segmentation of mobile laser point clouds of urban scenes into objects is an important step for post-processing(e.g., interpretation) of point clouds. Point clouds of urban scenes contain numerous objects with significant size variability, complex and incomplete structures, and holes or variable point densities, raising great challenges for the segmentation of mobile la... Bisheng Yang , Zhen Dong 杨必胜，董震 Point classification;Object segmentation;Mobile laser scanning;Object extraction