Change component identification of BIM models for facility management based on time-variant BIMs or point clouds

Tzu Yi Chuang*, Min Jung Yang

*此作品的通信作者

研究成果: Article同行評審

14 引文 斯高帕斯(Scopus)

摘要

Automatic comparison of time-variant BIM models facilitates value-added applications during the building life cycle. This paper addresses a solution capable of exploring changes between point clouds and BIMs (Scan-vs-BIM) or between time-variant BIMs (BIM-vs-BIM). To this end, a change component identification (CCI) algorithm is proposed to determine changing states, spatial locations, and semantic information of the change components. In that, CCI realizes an object-oriented strategy and enables exploration of the local geometry of object shape and comparison of object similarity without being limited to specific targets. Validations demonstrate the effectiveness of CCI, which achieves an accuracy of up to 93% and 80% in the BIM-vs-BIM and Scan-vs-BIM cases, respectively. The proposed method is expected to improve the automation level to document construction progress or confirm discrepancies between as-is and as-built BIMs.

原文English
文章編號104731
期刊Automation in construction
147
DOIs
出版狀態Published - 3月 2023

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