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UAV AERIAL SURVEY: ACCURACY ESTIMATION FOR AUTOMATICALLY GENERATED DENSE DIGITAL SURFACE MODEL AND ORTHOTHOTO PLAN
Aerial photography Mobile laser scanning Unmanned aerial vehicles (UAVs) Accuracy estimation Digital surface model
2016/11/15
A dense digital surface model is one of the products generated by using UAV aerial survey data. Today more and more specialized software are supplied with modules for generating such kind of models. T...
THREE DIMENTIONAL RECONSTRUCTION OF LARGE CULTURAL HERITAGE OBJECTS BASED ON UAV VIDEO AND TLS DATA
3D reconstruction cultural heritage video image sequences terrestrial laser scanning unmanned aerial vehicle
2016/11/11
This paper investigates the synergetic use of unmanned aerial vehicle (UAV) and terrestrial laser scanner (TLS) in 3D reconstruction of cultural heritage objects. Rather than capturing still images, t...
ACCURACY ASSESSMENT OF A UAV-BASED LANDSLIDE MONITORING SYSTEM
Landslides UAV structure-from-motion georeferencing bundle adjustment DEM
2016/11/11
Landslides are hazardous events with often disastrous consequences. Monitoring landslides with observations of high spatio-temporal resolution can help mitigate such hazards. Mini unmanned aerial vehi...
CLIFF COLLAPSE HAZARD FROM REPEATED MULTICOPTER UAV ACQUISITIONS: RETURN ON EXPERIENCE
UAV 3D point clouds photogrammetry cliff collapse hazard Normandy France
2016/11/11
Cliff collapse poses a serious hazard to infrastructure and passers-by. Obtaining information such as magnitude-frequency relationship for a specific site is of great help to adapt appropriate mitigat...
GEOMORPHOLOGICAL MAPPING WITH TERRESTRIAL LASER SCANNING AND UAV-BASED IMAGING
Terrestrial laser scanning UAV-based imaging 3D data Digital elevation model High-resolution mapping Karst landscape Surface monitoring
2016/11/11
High-resolution digital elevation models (DEMs) are useful for the detailed mapping of geomorphological features. Nowadays various sensors and platforms are available to collect 3D data. The presented...
TLS MODELS GENERATION ASSISTED BY UAV SURVEY
TLS UAV photogrammetry 3D modelling techniques fusion data fusion Alpine Heritage
2016/11/11
(TLS, Terrestrial Laser Scanning), and large scale mapping derived by UAV (Unmanned Aerial Vehicle) survey. This paper refers an example of 3D survey and reality based modelling applied on landscape a...
DATA INTEGRATION ACQUIRED FROM MICRO-UAV AND TERRESTRIAL LASER SCANNER FOR THE 3D MAPPING OF JESUIT RUINS OF SÃO MIGUEL DAS MISSÕES
Photogrammetry Micro-UAV Fixed and rotary wings Terrestrial LIDAR Cultural heritage
2016/11/11
The Jesuit Missions the Guaranis were one of the great examples of cultural, social, and scientific of the eighteenth century, which had its decline from successive wars that followed the exchange of ...
PERFORMANCE EVALUATION OF 3D MODELING SOFTWARE FOR UAV PHOTOGRAMMETRY
UAV Photogrammetry 3D Modeling software Structure from Motion Evaluation of Accuracy Aspects
2016/11/11
UAV (Unmanned Aerial Vehicle) photogrammetry, which combines UAV and freely available internet-based 3D modeling software, is widely used as a low-cost and user-friendly photogrammetry technique in th...
ON FUNDAMENTAL EVALUATION USING UAV IMAGERY AND 3D MODELING SOFTWARE
UAV Modeling Photogrammetry Structure from Motion Multi-View Stereo Accuracy evaluation
2016/11/11
Unmanned aerial vehicles (UAVs), which have been widely used in recent years, can acquire high-resolution images with resolutions in millimeters; such images cannot be acquired with manned aircrafts. ...
ROBUST VISION-BASED POSE ESTIMATION ALGORITHM FOR AN UAV WITH KNOWN GRAVITY VECTOR
UAV machine vision external orientation estimation motion capture system
2016/11/11
Accurate estimation of camera external orientation with respect to a known object is one of the central problems in photogrammetry and computer vision. In recent years this problem is gaining an incre...
AN AUTOMATIC UAV MAPPING SYSTEM FOR SUPPORTING UN (UNITED NATIONS) FIELD OPERATIONS
UAV Automatic Mapping United Nations Field Operations
2016/11/8
The United Nations (UN) has performed field operations worldwide such as peacekeeping or rescue missions. When such an operation is needed, the UN dispatches an operation team usually with a GIS (Geog...
VECTORIZATION OF ROAD DATA EXTRACTED FROM AERIAL AND UAV IMAGERY
Curvature Classification Road datbases Thinning Topology Vectorization
2016/7/27
Road databases are essential instances of urban infrastructure. Therefore, automatic road detection from sensor data has been an important research activity during many decades. Given aerial images in...
Performance Evaluation of Alternative Relative Orientation Procedures for UAV-based Imagery with Prior Flight Trajectory Information
Relative Orientation Essential Matrix Closed-form Solution UAVs
2016/7/27
Thanks to recent advances at the hardware (e.g., emergence of reliable platforms at low cost) and software (e.g., automated identification of conjugate points in overlapping images) levels, UAV-based ...
IMAGE NETWORK GENERATION OF UNCALIBRATED UAV IMAGES WITH LOW-COST GPS DATA
UAV images uncalibrated camera Image Network Generation GPS Space Coordinate Transformation Self-calibration Bundle adjustment
2016/7/27
The use of unmanned air vehicle (UAV) images acquired by a non-metric digital camera to establish an image network is difficult in cases without accurate camera model parameters. Although an image net...
Unmanned Aerial Vehicles (UAV) have been recognized as a tool for geospatial data acquisition due to their flexibility and favourable cost benefit ratio. The practical use of laser scanning devices on...