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Comparison of Various Unmanned Aerial Vehicle Structure from Motion Software

Authors: April Mendez*, , Phillip Schmutz, University of West Florida
Topics: UAS / UAV, Remote Sensing, Coastal and Marine
Keywords: UAV, UAS, Structure from motion, costal, geomorphology
Session Type: Poster
Presentation File: No File Uploaded

The use of Unmanned Aerial Vehicle (UAV) technology to gather, construct, and evaluate geomorphic landscapes has increased substantially in recent years and become a major component of the discipline. This explosion has led to a variety of Structure from Motion (SfM) data analysis software packages, however, little research has been conducted analyzing the differences or similarities between their data output. Accordingly, the purpose of the research is to compare and contrast the Digital Elevation Models (DEMs) constructed from three different SfM software packages – Pix4d, ArcGIS Pro, and Agisoft – using a single UAV flight. Overall, this project provides significance to present and future scientific research by providing a comparison of alternative SfM data analysis tools. The UAV flight was flown at an altitude of 100m over a 4-hectare area at the University of West Florida beach property located in Pensacola Beach, Florida. Statistical analysis is currently ongoing, yet preliminary data suggests that there is a difference between the DEM models produced from the software packages. Due to the different software interfaces and model construction processes, there is no certainty the models will run under the same specifications therefore, the products vary.

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