Comparative assessment between indoor and outdoor three-dimensional laser scanning by using smartphone LiDAR
List of Authors
  • Lau Chong Luh, Mohamad Hezri Razali, Mohd Azwan Abbas, Muhammad Asri Zulkiflee, Saiful Aman Sulaiman

Keyword
  • Three-Dimensional, Laser Scanning, Smartphone LiDAR, Indoor, Outdoor

Abstract
  • In this era, the rapid development of technology has enabled 3D laser scanning to be carried out through smartphones. The aim of this study is to assess the accuracy and effectiveness of iPhone LiDAR scanning in both indoor and outdoor environments by comparing it with conventional methods. The 3D Scanner App was used by iPhone LiDAR for scanning the interested object. Meanwhile, the CloudCompare and AutoCAD software were used to process data. In this study, the dimensions obtained using iPhone LiDAR were compared with the dimensions obtained using conventional methods like measuring tape and Total Station. The object that been scanned and measured in this study is a small object (not exceeding 1x1 meters). This object been scanned and measured in indoor classrooms and outdoor open areas in this study. Through this study, the range of RMSE is with 0.008m until 0.009m which is within centimeter level of accuracy for indoor scanning. Meanwhile, the outdoor scanning yielded slightly higher range of RMSE (in the range of 0.008m until 0.011m) compared to indoor scanning. In other word, the iPhone LiDAR is performing slightly better in indoor which is under control environment. Hence, iPhone LiDAR can be a cost-effective alternative to established techniques for accurate and quick 3D measurements.

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