搜索结果: 1-15 共查到“测绘科学技术 K-means”相关记录47条 . 查询时间(0.28 秒)
THE SEGMENTATION OF POINT CLOUDS WITH K-MEANS AND ANN (ARTIFICAL NEURAL NETWORK)
Lidar Laser Scanning Photogrammetry Segmentation K-means ANN
2017/7/13
Segmentation of point clouds is recently used in many Geomatics Engineering applications such as the building extraction in urban areas, Digital Terrain Model (DTM) generation and the road or urban fu...
DETERMINING TOOTH OCCLUSAL SURFACE RELIEF INDICATOR BY MEANS OF AUTOMATED 3D SHAPE ANALYSIS
Photogrammetry 3D reconstruction Automation Non-contact measurements Odontometry
2017/6/19
Determining occlusal surface relief indicator plays an important role in odontometric tooth shape analysis. An analysis of the parameters of surface relief indicators provides valuable information abo...
DYKE MONITORIN BY THE MEANS OF PERSISTENT SCATTERING INTERFEROMETRY AT THE COAST OF NORTHERN GERMANY
SAR-Interferometry Persistent Scattering Interferometry displacement measurement
2016/11/30
40 percent of the world's population are presently living in coastal areas or along the main rivers. Taking into account that the vulnerability of these areas is increasing due to sea-level rise and c...
ESTIMATION OF INSULATOR CONTAMINATIONS BY MEANS OF REMOTE SENSING TECHNIQUE
Insulator Contaminations Power Facilities ESDD Remote Sensing SVM
2016/11/30
The accurate estimation of deposits adhering on insulators is critical to prevent pollution flashovers which cause huge costs worldwide. The traditional evaluation method of insulator contaminations (...
A FUZZY LOGIC-BASED APPROACH FOR THE DETECTION OF FLOODED VEGETATION BY MEANS OF SYNTHETIC APERTURE RADAR DATA
Fuzzy logic Flooded vegetation Synthetic Aperture Radar (SAR) Data fusion TerraSAR-X
2016/11/23
In this paper an algorithm designed to map flooded vegetation from synthetic aperture radar (SAR) imagery is introduced. The approach is based on fuzzy logic which enables to deal with the ambiguity o...
EFFICIENT RISK DETERMINATION OF RISK OF ROAD BLOCKING BY MEANS OF MMS AND DATA OF BUILDINGS AND THEIR SURROUNDING
MMS Inspection indices of Road blocking Combined technologies of geospatial survey GIS and alleviating field Survey
2016/11/8
Massive earthquake named “Tonankai Massive earthquake” is predicted to occur in the near future and is feared to cause severe damage in Kinki District . “Hanshin-Awaji Massive Earthquake” in 1995 dest...
DETECTION OF ORTHOIMAGE MOSAICKING SEAMLINES BY MEANS OF WAVELET TRANSFORM
Orthoimage Seamline Orthomosaic Wavelet transform Undecimated DWT Cost analysis
2016/11/8
The detection of orthoimage mosaicking seamlines by means of wavelet transform was examined. Radiometric alignment was omitted, giving priority to the issue of seamlines which bypass locations where t...
Analysis of settlement structure by means of high resolution satellite imagery
settlement structure high resolution satellite imagery
2016/5/23
State of the art for the investigation of the settlements' extension and their temporal change is either conventional mapping (field work, cadastral maps, topographic and thematic maps) or aerial phot...
DEFORMATION MONITORING BY MEANS OF SAR INTERFEROMETRY IN THE NORTH-BOHEMIAN AREA
SAR Interferometry Land Subsidence Change Detection Multitemporal Observations
2015/12/30
Radar interferometry allows for Earth-crust deformation mapping with the use of satellite images, without the necessity of expensive on-site measurements. Its accuracy may even reach several mm/yr in ...
3D FLOOD INFORMATION FROM SAR AS A MEANS FOR REDUCING UNCERTAINTIES IN FLOOD INUNDATION MODELING
Floods SAR Imagery Cartography Distributed Modeling Calibration Uncertainties
2015/12/26
SAR images of river inundation prove to be very relevant for operational flood management. However, common exploitation of satellite images of floods is generally restricted to a flood extent extracti...
DRILL CORE MINERAL ANALYSIS BY MEANS OF THE HYPERSPECTRAL IMAGING SPECTROMETER HySpex, XRD AND ASD IN PROXIMITY OF THE MYTINA MAAR, CZECH REPUBLIC
Remote Sensing Imaging Spectroscopy Geology Drill Cores Mineralogy Mytina maar
2016/1/15
Imaging spectroscopy is increasingly used for surface mapping. Therefore different expert systems are being utilized to identify surface cover materials. Those expert systems mainly rely on the spectr...
Use of Historical Images for the Documentation and the Metrical Study of Cultural Heritage by Means of Digital Photogrammetric Techniques
Cultural Heritage Close Range Photogrammetry Historical images Modeling Calibration
2015/11/11
The use of digital photogrammetry in recording and documentation of archaeological sites, historical structures and objects, offers nowadays a wide range of possibilities in terms of data acquisition ...
A MIXED-EFFECTS MODEL TO ESTIMATE STAND VOLUME BY MEANS OF SMALL FOOTPRINT AIRBORNE LIDAR DATA FOR AN AMERICAN AND A GERMAN STUDY SITE
Mixed-effects models random effects lidar forest inventory stand volume
2015/11/10
Similar datasets (inventory plots, stand maps and lidar data) were available for study sites in the USA and Germany. These datasets are grouped or hierarchical in that several sample plots are located...
INVESTIGATING FLUVIAL TOPOGRAPHY FORMING PROCESSES OF THE MARTIAN SURFACE BY MEANS OF RASTER BASED GEOMETRY ANALYSIS
DEM/DTM Raster based analysis Mars
2015/8/28
Recent Mars missions like ESA’s Mars Express (MEX) and NASA’s Mars Global Surveyor (MGS) capture the Martian surface at
high resolution and in 3D. For instance, the MEX instrument High Resolution Ste...
Operating quality control of ground machines by means of the terrestrial laserscanning system
Quality Control Machine Control System Terrestrial Laser Scanner DTM
2015/8/25
In terms of research dealing with acceleration of technological and measuring processes during operating earth moving machines, a technological procedure of operating quality control of machines by me...