Published Researches

6 May 2019

DETECTIONS OF BUILDINGSDIGITAL SURFACE MODELS DEFORMATIONS GENERATED FROM DRONES NADIR IMAGES

 

DETECTIONS OF BUILDINGSDIGITAL SURFACE MODELS DEFORMATIONS GENERATED FROM DRONES NADIR IMAGES

Jean A. Doumit*, Souhail F. Awad*,Evgeny N. Kiselev**

*Lebanese University, Faculty of Letters and Human Sciences, Department of geography.

**Kuban State University, Institute of Geography, Geology, Tourism and Service, Department of geo informatics.

ABSTRACT

Unmanned aerial vehicles (UAVs) are becoming very popular and useful for several applications, Due to their accessibility to any target and high-spatial resolution of acquired images.

In this study, UAV application in geospatial technology for 3D urban modeling, for building assessment and deformations detection due to nadir images processing.

This work shows the results of an approach that used a photogrammetric UAV platform to build a recent urban DSM and estimate its expansion by building a second predicted urban DSM. The methodology discusses the use of a low-cost unmanned aerial vehicle (UAV)-based remote sensing system for spatiotemporal urban DSM modeling constituting a good platform for deformations building assessment, urban management, and infrastructure development.

As a result of this project generated a series of digital surface models, a DSM UAV based, a modified DSM-T excluded from buildings, a corrected recent DSM-R and a predicted DSM-P of a fully built study area. Finally, produced DSM buildings deformations map based on the difference between DSM UAV and DSM-R.

KEYWORDS: UAV, DSM, Urban Modeling.

 

 






 
 

 
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