Abstract
Abstract. Unmanned Aerial Vehicles (UAV) frequently used for obtaining 2D or 3D data acquisition. Meanwhile, Terrestrial Laser Scanners (TLS) are used for obtaining only 3D data acquisition. However if both are integrated, they were able to produce a more accurate data. The purpose of this study is to investigate the possible integration of point clouds obtained by TLS with UAV images at T06 FBES building through the aerial survey where the roof is scanned and ground survey which scans the facades‟ building. Topcon GLS 2000 and DJI Inspire 1 UAV were used to acquire the data at the field. The aerial data and ground data were processed using Pix4D and Scanmaster respectively. The data integration process is done by converting both point clouds into the same coordinate system and then by aligning the same points of both points clouds in Cloud Compare. For verification purposes, dimensional survey was done and there are several distances were taken from the study area to validate the accuracy assessment. The result of residuals between the dimension survey and integration is 0.183 m which is below 1 meter. The result of this study is a 3D model of UTM T06 FBES building based on the point cloud accuracy in cm level. To conclude, the integration between these two methods can be implemented to produce an accurate 3D model.
Highlights
Rapid development in the city has established development and skyscrapers with unique architecture
The integration process were analyzed though the value of residual of the measurements that were taken to check the accuracy assessment
This study has discussed the possibility of integration between Unmanned Aerial Vehicle (UAV) and Terrestrial Laser Scanner (TLS)
Summary
Rapid development in the city has established development and skyscrapers with unique architecture. Three-dimensional (3D) mapping and modeling has increased in demand notably in surveying and engineering works. Apart from that, 3D scanning is the act of mapping an object, structure or area and describing it in the form of x, y and z coordinates – a format known as a “point cloud”. Point clouds are used to create 3D meshes and it defines the shape of a physical object or any study area. The most used platforms for 3D mapping works nowadays is Terrestrial Laser Scanner (TLS). Terrestrial Laser Scanning technology is a wellknown technique for quickly getting three-dimensional information. It reconstructs the scanned object and builds highaccuracy and high precision 3D point clouds. The TLS technology is widely used in high-precision ground information, three-dimensional measuring and surveying
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