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UAV MONITORING FOR ENVIROMENTAL MANAGEMENT IN GALAPAGOS ISLANDS
UAV monitoring Galapagos NDVI OBIA classification Random Forest littoral vegetation
2016/7/5
In the Galapagos Islands, where 97% of the territory is protected and ecosystem dynamics are highly vulnerable, timely and accurate information is key for decision making. An appropriate monitoring sy...
QUALITY ANALYSIS ON 3D BUIDLING MODELS RECONSTRUCTED FROM UAV IMAGERY
UAV structure from motion point clouds building reconstruction 3D modeling performance validation
2016/7/5
Recent developments in UAV technology and structure from motion techniques have effected that UAVs are becoming standard platforms for 3D data collection. Because of their flexibility and ability to r...
ACCURACY ASSESSMENT OF COASTAL TOPOGRAPHY DERIVED FROM UAV IMAGES
Digital Surface Model Coastal monitoring UAV photogrammetry Accuracy
2016/7/5
To monitor coastal environments, Unmanned Aerial Vehicle (UAV) is a low-cost and easy to use solution to enable data acquisition with high temporal frequency and spatial resolution. Compared to Light ...
POTENTIAL OF UAV-BASED LASER SCANNER AND MULTISPECTRAL CAMERA DATA IN BUILDING INSPECTION
Unmanned aerial vehicle 3D point cloud LIDAR thermal infrared camera near infrared camera RGB camera building inspection
2016/7/5
Conventional building inspection of bridges, dams or large constructions in general is rather time consuming and often cost expensive due to traffic closures and the need of special heavy vehicles suc...
UAV SURVEYING FOR A COMPLETE MAPPING AND DOCUMENTATION OF ARCHAEOLOGICAL FINDINGS.THE EARLY NEOLITHIC SITE OF PORTONOVO
Archaeology Laser Scanner Digital Dense Map Close Range Photogrammetry UAV Excavation 3D Documentation
2016/7/5
The huge potential of 3D digital acquisition techniques for the documentation of archaeological sites, as well as the related findings, is almost well established. In spite of the variety of available...
RESEARCH ON REEF BATHYMETRIC SURVEY OF UAV STEREOPAIR BASED ON TWO-MEDIUM PHOTOGRAMMETRY
Bathymetric Survey Two-medium Photogrammetry UAV Stereopair Elevation Correction Coefficient Underwater Reefs
2016/7/4
This paper is based on the principles of two-medium photogrammetry, with the purpose to perform a bathymetric survey of a reef in the South China Sea, using aerial imagery acquired by UAV. The first o...
PERFORMANCE EVALUATION OF DIFFERENT GROUND FILTERING ALGORITHMS FOR UAV-BASED POINT CLOUDS
Point Cloud Ground Filtering Unmanned Aerial Vehicle Aerial Photo Digital Elevation Model Adaptive TIN
2016/7/4
Digital Elevation Model (DEM) generation is one of the leading application areas in geomatics. Since a DEM represents the bare earth surface, the very first step of generating a DEM is to separate the...
CO-REGISTRATION OF TERRESTRIAL AND UAV-BASED IMAGES – EXPERIMENTAL RESULTS
Photogrammetry Orientation Data Integration Multisensor Accuracy Estimation
2016/3/25
For many applications within urban environments the combined use of images taken from the ground and from unmanned aerial platforms seems interesting: while from the airborne perspective the upper par...
EXTERIOR ORIENTATION OF HYPERSPECTRAL FRAME IMAGES COLLECTED WITH UAV FOR FOREST APPLICATIONS
Forest Hyperspectral Image Orientation Sparse Control UAV
2016/3/25
This paper describes a preliminary study on the image orientation acquired by a hyperspectral frame camera for applications in small tropical forest areas with dense vegetation. Since access to the in...
STUDY OF LEVER-ARM EFFECT USING EMBEDDED PHOTOGRAMMETRY AND ON-BOARD GPS RECEIVER ON UAV FOR METROLOGICAL MAPPING PURPOSE AND PROPOSAL OF A FREE GROUND MEASUREMENTS CALIBRATION PROCEDURE
UAV photogrammetry GPS lever-arm calibration direct-georeferencing synchronisation MicMac
2016/3/25
Nowadays, Unmanned Aerial Vehicle (UAV) on-board photogrammetry knows a significant growth due to the democratization of using drones in the civilian sector. Also, due to changes in regulations laws g...
UAV-BASED MULTI-SENSOR DATA FUSION FOR TIME-CRITICAL DISASTER RESPONSE
UAV Data Fusion Disaster Response Video Flow Real-time
2016/3/17
We present a mathematical model for a UAV-based, multi-sensor data integration. As a background, we first discuss the design and the implementation of a low-cost civilian UAV system, including its fie...
Remote sensing of vegetation from UAV platforms using lightweight multispectral and thermal imaging sensors
Multispectral narrowband radiative transfer modeling remote sensing stress detection thermal unmanned aerial system (UAS) unmanned aerial vehicles (UAVs)
2016/1/25
Current high spatial resolution satellite sensors lack the spectral resolution required for many quantitative remote sensing
applications and, given the limited spectral resolution, they only allow ...
LOW COST UAV FOR POST-DISASTER ASSESSMENT
UAV Disaster Management Photogrammetry Autopilot
2015/12/29
The main objective of early impact analysis after a disaster is to produce georeferenced data about the affected areas, in support of humanitarian action. Crucial information are the identification of...
UAV BASED MONITORING SYSTEM AND OBJECT DETECTION TECHNIQUE DEVELOPMENT FOR A DISASTER AREA
Hazards Developing Countries Monitoring Semi-automation Extraction Software
2015/12/28
In the case of natural hazards the spatial extent of the disaster area is usually large. It is often difficult to conduct search and rescue operations from the ground. Such operations are often hinder...
A 3D MODEL OF CASTLE LANDENBERG (CH) FROM COMBINED PHOTOGRAMMETRIC PROCESSING OF TERRESTRIAL AND UAV-BASED IMAGES
Architecture Building Calibration Close Range Modelling UAV Visualization
2015/12/23
In this paper we demonstrate the workflow of 3D modelling and photorealistic texture mapping based on close range imagery acquired with a mini-UAV (Unmanned Aerial Vehicle) and in terrestrial mode. Fo...