搜索结果: 46-60 共查到“测绘科学技术 Terrain”相关记录102条 . 查询时间(0.078 秒)
EVALUATING GEO-ASPECTS IMPLICATIONS ON LAND SLIDING IN HIMALAYAN TERRAIN IN A PART OF AIZWAL DISTRICT, MIZORAM STATE USING REMOTE SENSING AND GIS
terrain parameters landslides remote sensing and GIS
2015/8/31
Geology and geomorphology have a dominant control in the evolution of geo-aspects of a region. Remote sensing is an important
and effective aiding tool in geological- geomorphological mapping in the ...
TERRAIN PARAMETER RETRIEVAL USING IRS 1C/1D STEREO DATA IN CONJUNCTION WITH DIFFERENTIAL GPS MEASUREMENTS
DEM drainage network validation
2015/8/31
In the past few decades due to enormous development in satellite photogrammetry, more opportunities are available to have a stereo pair
from the space borne missions. Indian Remote Sensing satellites...
AN EFFICIENT APPROACH FOR DETECTING CHANGES OF TERRAIN AND UPDATING OLD DEM
Change detection DEM/DTM Aerial photogrammetry
2015/8/28
With the advent of high resolution satellite imagery and airborne digital image, detection and surveillance of land cover changes has
been a topic of interest. Standard change detection and accuracy ...
Nowadays, DTM databases are vital for a variety of applications, such as visualization or terrain analysis. Therefore, in the fields of
civil engineering, mapping and geo-information, or geophysics, ...
A ROBUST ALGORITHM FOR ESTIMATING DIGITAL TERRAIN MODELS FROM DIGITAL SURFACE MODELS IN DENSE URBAN AREAS
DSM DTM Elastic Grid Outliers Robust Statistics
2015/8/28
This paper describes an algorithm in order to derive DTMs (Digital Terrain Models) from correlation DSMs (Digital Surface Models) and above-ground (buildings and vegetation) masks in dense urban areas...
Spatial Prediction of Some Biological Forest Variables by Terrain Analysis – the Kheiroud-Kenar Forest, North of Iran
Forest variables Spatial prediction Terrain analysis
2015/8/28
This research conducted to evaluate spatial pattern of some biological variables (mean diameter, density, richness index and biodiversity
index) of forest by linear regression models using terrain an...
This paper presents a general architecture of the large-area terrain simulation system based on a single processor PC. It provides
methods of modeling, management and dynamic scheduling for large-are...
A KIND OF FILTERING ALGORITHMS FOR LIDAR INTENSITY IMAGE BASED ON FLATNESS TERRAIN
Lidar image fusion mean filter noise suppressing edges keeping
2015/8/10
To improve the effect of Lidar data, and utilize the intensity information of Lidar data, according to the character of Lidar data, a new fusion mean filtering algorithm based on the flatness degree o...
TWO-CHANNEL SAR GROUND MOVING TARGET INDICATION FOR TRAFFIC MONITORING IN URBAN TERRAIN
SAR SAR-GMTI Traffic Monitoring
2015/8/7
This paper introduces and analyses a technique that implements CFAR detection and parameter estimation of moving targets in urban terrain. Firstly, it presents a probability distribution to use with t...
MULTIPLE OBSERVER SITING ON TERRAIN WITH INTERVISIBILITY OR LO-RES DATA
Cartography GIS Mapping Land Vision Analysis Resolution Terrestrial
2015/7/30
We describe two current projects with our toolkit for siting multiple observers on terrain. (Both observers and targets are
at some specified height above ground level. Observers can see target...
Qualite Des Modeles Numeriques De Terrain Dervies Par Correlation Automatique
Photogrammtry image matching correlation
2015/7/9
Digital Terrain Models are plying an important role as information layer, mainly with the development of geographic information
systems, since they describe the topographic surface of the terrain and...
Multi-image Shape-from-shading: Derivation of Planetary Digital Terrain Models Using Clementine Images
High-resolution DTM extraterrestrial surfaces reconstruction method
2015/7/8
In many cases, the derivation of high-resolution digital terrain models (DTMs) from planetary surfaces using only conventional
digital image matching is a problem. The matching methods need at least ...
Determination of Terrain Models by Digital Image Matching Methods
DEM/DTM Matching Hierarchical
2015/7/7
Today, digital terrain models (DTMs) are used in many fields of science and practice. When modelling the earth’s surface it is
necessary to make a clear distinction between terrain models, i.e. model...
LINE VORONOI DIAGRAM BASED INTERPOLATION AND APPLICATION TO DIGITAL TERRAIN MODELLING
triangulation reconstruction technology
2015/6/1
Local coordinates based on the Voronoi diagram are used in natural neighbour interpolation to quantify the “neighbourliness” of
data sites. In an earlier paper, we have extended the natural neighbour...
DIGITAL TERRAIN AND AUTOMATED MAPPING SYSTEM DEVELOPMENT USING UNIFIED MODELLING LANGUAGE (UML)
Modelling Design Automation Software DEM/DTM GIS
2015/6/1
Automated mapping and digital terrain system could be developed by using several approaches where an object-oriented technique is one of them. The technique has been considered by many software engine...