AUTHOR=Zhu Linsong , Li Shuangquan , Li Tianjiao , Sun Xuewu , Ren Fuqiang TITLE=Discontinuous surface extraction method based on 3D point cloud JOURNAL=Frontiers in Earth Science VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2025.1550986 DOI=10.3389/feart.2025.1550986 ISSN=2296-6463