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This paper presents a QEM-based simplification approach for extracting and delineating building footprints from Airborne LiDAR data. Our approach consists of three steps: first of all, Digital Surface Model (DSM) is generated from the raw point cloud by using the interpolation method. Secondly, the potential points on building outlines have to be aggregated to form connected building blobs. Those...
In recent years, with new services expected, such as navigation systems, location based services, and augmented reality, the need for automatically, efficient 3D building reconstruction systems becomes more urgent than ever. As a new spatial information technology, airborne LiDAR is widely used for the acquisition of 3D objects on the earth. The automatic reconstruction of 3D buildings from airborne...
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