نبذة مختصرة : The image archived in this record was constructed from a single image recorded using the on-board camera mounted on a Phantom 3 UAS (N688YP) on February 11, 2017. The red scale bar in this image is 15 ft, with three 5 ft divisions. This image was taken at the Purdue Agronomy Center for Research and Education (ACRE) at approximately Latitude 40.470410, Longitude -86.995216. The procedures for constructing the mosaic image are documented in the following publications: He, F., & Habib, A. (2016). Automated relative orientation of UAV-based imagery in the presence of prior information for the flight trajectory. Photogrammetric Engineering & Remote Sensing, 82(11), 879–891. http://dx.doi.org/10.14358/PERS.82.11.879 Al-Rawabdeh, A., He, F., Mousaa, A., El-Sheimy, N., & Habib, A. (2016). Using an unmanned aerial vehicle-based digital imaging system to derive a 3D point cloud for landslide scarp recognition. Remote Sensing, 8(2), 95. http://dx.doi.org/10.3390/rs8020095
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