搜索结果: 1-15 共查到“UAV imagery”相关记录21条 . 查询时间(0.056 秒)
Carbon Stock Estimations in a Mediterranean Riparian Forest: A Case Study Combining Field Data and UAV Imagery
above ground biomass (AGB) carbon stocks ecosystem services riparian allometric equations unmanned aerial vehicle (UAV)
2024/1/11
This study aims to estimate the total biomass aboveground and soil carbon stocks in a Mediterranean riparian forest and identify the contribution of the different species and ecosystem compartments to...
Detection of Coniferous Seedlings in UAV Imagery
Detection Coniferous Seedlings UAV Imagery
2024/2/28
Rapid assessment of forest regeneration using unmanned aerial vehicles (UAVs) is likely to decrease the cost of establishment surveys in a variety of resource industries. This research tests the feasi...
BUILDING DAMAGE EXTRACTION TRIGGERED BY EARTHQUAKE USING THE UAV IMAGERY
Building Damage Information Earthquake Disasters Image Fusion Point Clouds UAV Imagery
2018/5/14
When extracting building damage information, we can only determine whether the building is collapsed using the post-earthquake satellite images. Even the satellite images have the sub-meter resolution...
EVALUATION OF RGB-BASED VEGETATION INDICES FROM UAV IMAGERY TO ESTIMATE FORAGE YIELD IN GRASSLAND
RGB vegetation indices unmanned aerial vehicle biomass yield grassland pasture
2018/5/15
Monitoring forage yield throughout the growing season is of key importance to support management decisions on grasslands/pastures. Especially on intensely managed grasslands, where nitrogen fertilizer...
SUBAQUATIC DIGITAL ELEVATION MODELS FROM UAV-IMAGERY
UAV, DEM underwater multi-media bundle-adjustment
2018/6/4
The paper presents an approach for the generation of digital elevation models (DEMs) of underwater areas from aerial images. Standard software-products do not provide the possibility to measure correc...
DOES THE DATA RESOLUTION/ORIGIN MATTER? SATELLITE,AIRBORNE AND UAV IMAGERY TO TACKLE PLANT INVASIONS
Detection Invasive species Mapping MSS imagery Object- and pixel-based classification Spectral spatial and temporal resolution
2016/11/24
Invasive plant species represent a serious threat to biodiversity and landscape as well as human health and socio-economy. To successfully fight plant invasions, new methods enabling fast and efficien...
Development of Open source-based automatic shooting and processing UAV imagery for Orthoimage Using Smart Camera UAV
Smart Camera UAV Open source Automatic shooting Open Drone Map (ODM)
2016/11/24
Recently, aerial photography with unmanned aerial vehicle (UAV) system uses UAV and remote controls through connections of ground control system using bandwidth of about 430 MHz radio Frequency (RF) m...
MONITORING PHENOLOGY OF FLOODPLAIN GRASSLAND AND HERBACEOUS VEGETATION WITH UAV IMAGERY
river floodplains vegetation height land cover multi-temporal data aerial photography UAV DSM
2016/11/23
River restoration projects, which aim at improved flood safety and increased ecological value, have resulted in more heterogeneous vegetation. However, they also resulted in increasing hydraulic rough...
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. ...
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...
CHOSEN ASPECTS OF THE PRODUCTION OF THE BASIC MAP USING UAV IMAGERY
Photogrammetry Unmanned Aerial Vehicle Orthoimage Geodesy Mapping
2016/7/5
For several years there has been an increasing interest in the use of unmanned aerial vehicles in acquiring image data from a low altitude. Considering the cost-effectiveness of the flight time of UAV...
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...
PRELIMINARY RESULTS FROM THE PORTABLE IMAGERY QUALITY ASSESSMENT TEST FIELD (PIQuAT) OF UAV IMAGERY FOR IMAGERY RECONNAISSANCE PURPOSES
UAV IMINT Quality assessment Test Field Remote sensing miniMC
2015/9/10
The article presents a set of initial results of a quality assessment study of 2 different types of sensors mounted on an unmanned aerial vehicle, carried out over an especially designed and construct...
HEIGHT GRADIENT APPROACH FOR OCCLUSION DETECTION IN UAV IMAGERY
UAV DSM TIN Double Mapping Height Gradient Occlusion Detection True Orthophoto
2015/9/10
The use of Unmanned Aerial Vehicle (UAV) significantly increased in the last years. It is used for several different applications, such as mapping, publicity, security, natural disasters assistance, e...
Comparison of DSMs generated from mini UAV imagery and terrestrial laserscanner in a cultural heritage application
UAV Laser scanning DEM/DTM Comparison Analysis Accuracy Archaeology
2015/8/24
In this paper we present two different methods, which were applied for the DSM generation of the cultural heritage site Pinchango Alto. The area of interest is a LIP (Late Intermediate Period; 1400 AD...