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When Construction Sites “Talk”: A Technical Validation of LiDAR, 4D Point Clouds, and AI in Construction Management
This technical analysis examines a validation report from the Hong Kong Government on the implementation of fixed LiDAR and 4D point cloud technology in construction management. By integrating sensor fusion (LiDAR + HD Cameras), edge computing, and AI-driven BIM-to-Scan comparisons, the system transforms raw spatial data into a “speaking” site record. The report confirms that this integrated tech stack achieves a 90% UAT pass rate and significantly optimizes safety monitoring and progress tracking, marking the transition of 4D LiDAR from laboratory prototype to field-ready engineering solution.