isprs archives XLI B1 327 2016
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There are four key steps: Partitioning point clouds into cross sections according to the GPS time of points and vehicle trajectory; Pre-processing point clouds to denoise
We have used a set of Ground Control Points (GCPs) derived from altimetry measurements from the Ice, Cloud and land Elevation Satellite (ICESat) to evaluate the quality of the
Then, the trajectory filtering with expected accuracy method is used to filter the sub-trajectories according to the similarity between GPS tracking points and
This study aims to collect image data and three dimensional ground control points in Taichung city area with Unmanned Aerial Vehicle (UAV), general camera and Real-Time Kinematic
Table 1: Work flow of pose estimation. In step 3 we assign tie points to the planes of the building model on the basis of their estimated 3D positions. Note that both, the
VOLUME COMPUTATION OF A STOCKPILE – A STUDY CASE COMPARING GPS AND UAV MEASUREMENTS IN AN OPEN PIT QUARRYP.
The residuals at the ground control points, however are minimal (2 – 3 cm RMS) for both software products. From this experience Photoscan was chosen as the software product
interpretation shadow points are detected by geometric method, and the lost soft shadow areas of manual interpretation are also included in the hard shadow area of the geometric
