Wood-leaf classification of tree point cloud based on intensity and geometrical information

no code implementations • 2 Aug 2021 • Jingqian Sun, Pei Wang, Zhiyong Gao, Zichu Liu, Yaxin Li, Xiaozheng Gan

Tree point cloud was classified into wood points and leaf points by using intensity threshold, neighborhood density and voxelization successively.

Classification

Automatic marker-free registration of tree point-cloud data based on rotating projection

no code implementations • 30 Jan 2020 • Xiuxian Xu, Pei Wang, Xiaozheng Gan, Ya-Xin Li, Li Zhang, Qing Zhang, Mei Zhou, Yinghui Zhao, Xinwei Li

In coarse registration, point clouds produced by each scan are projected onto a spherical surface to generate a series of two-dimensional (2D) images, which are used to estimate the initial positions of multiple scans.