{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,20]],"date-time":"2026-02-20T04:18:42Z","timestamp":1771561122380,"version":"3.50.1"},"reference-count":80,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2021,5,17]],"date-time":"2021-05-17T00:00:00Z","timestamp":1621209600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["41901405"],"award-info":[{"award-number":["41901405"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002858","name":"China Postdoctoral Science Foundation","doi-asserted-by":"publisher","award":["2020M680323"],"award-info":[{"award-number":["2020M680323"]}],"id":[{"id":"10.13039\/501100002858","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100017579","name":"Beijing Advanced Innovation Center for Future Urban Design","doi-asserted-by":"publisher","award":["UDC2020020124"],"award-info":[{"award-number":["UDC2020020124"]}],"id":[{"id":"10.13039\/501100017579","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Three-dimensional (3D) building models are closely related to human activities in urban environments. Due to the variations in building styles and complexity in roof structures, automatically reconstructing 3D buildings with semantics and topology information still faces big challenges. In this paper, we present an automated modeling approach that can semantically decompose and reconstruct the complex building light detection and ranging (LiDAR) point clouds into simple parametric structures, and each generated structure is an unambiguous roof semantic unit without overlapping planar primitive. The proposed method starts by extracting roof planes using a multi-label energy minimization solution, followed by constructing a roof connection graph associated with proximity, similarity, and consistency attributes. Furthermore, a progressive decomposition and reconstruction algorithm is introduced to generate explicit semantic subparts and hierarchical representation of an isolated building. The proposed approach is performed on two various datasets and compared with the state-of-the-art reconstruction techniques. The experimental modeling results, including the assessment using the International Society for Photogrammetry and Remote Sensing (ISPRS) benchmark LiDAR datasets, demonstrate that the proposed modeling method can efficiently decompose complex building models into interpretable semantic structures.<\/jats:p>","DOI":"10.3390\/rs13101946","type":"journal-article","created":{"date-parts":[[2021,5,17]],"date-time":"2021-05-17T12:19:57Z","timestamp":1621253997000},"page":"1946","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Reconstruction of Complex Roof Semantic Structures from 3D Point Clouds Using Local Convexity and Consistency"],"prefix":"10.3390","volume":"13","author":[{"given":"Pingbo","family":"Hu","sequence":"first","affiliation":[{"name":"School of Geomatics and Urban Spatial Informatics, Beijing University of Civil Engineering and Architecture, Beijing 100044, China"},{"name":"Beijing Key Laboratory for Architectural Heritage Fine Reconstruction &amp; Health Monitoring, Beijing University of Civil Engineering and Architecture, Beijing 102616, China"}]},{"given":"Yiming","family":"Miao","sequence":"additional","affiliation":[{"name":"School of Geomatics and Urban Spatial Informatics, Beijing University of Civil Engineering and Architecture, Beijing 100044, China"},{"name":"Beijing Key Laboratory for Architectural Heritage Fine Reconstruction &amp; Health Monitoring, Beijing University of Civil Engineering and Architecture, Beijing 102616, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0942-629X","authenticated-orcid":false,"given":"Miaole","family":"Hou","sequence":"additional","affiliation":[{"name":"School of Geomatics and Urban Spatial Informatics, Beijing University of Civil Engineering and Architecture, Beijing 100044, China"},{"name":"Beijing Key Laboratory for Architectural Heritage Fine Reconstruction &amp; Health Monitoring, Beijing University of Civil Engineering and Architecture, Beijing 102616, China"}]}],"member":"1968","published-online":{"date-parts":[[2021,5,17]]},"reference":[{"key":"ref_1","first-page":"225","article-title":"Facade Solar Potential Analysis Using Multisource Point Cloud","volume":"47","author":"Fuxun","year":"2018","journal-title":"Acta Geod. 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