搜索结果: 1-15 共查到“地图制图技术 Terrain”相关记录17条 . 查询时间(0.046 秒)
3D terrain reconstruction based on compound techniques
Image matching 3D reconstruction Image segmentation Image interpretation Object recognition
2016/5/20
Digital Elevation Models (DEM) produced by digital photogrammetry workstations supply important information on land form for cartographers and Geographic Information Systems (GIS) developers and users...
MULTI-RESOLUTION REPRESENTATION OF DIGITAL TERRAIN MODELS WITH TOPOGRAPHICAL FEATURES PRESERVATION
Geometry Geomorphology Extraction Simplification Feature Multi-resolution
2015/12/23
Multi-resolution TIN model is a promising solution for achieving rapid visualization speed and interactive frame rates in the contexts of visualization, virtual reality (VR), and geographic informatio...
Adaptive Level of Detail for Large Terrain Visualization
Level of Detail Mesh Refinement Digital Terrain Model Visualization 3D GIS
2015/12/16
This paper presents a sophisticated tile-based terrain rendering system for large-area terrain visualization. The developed system employs quadtree algorithm to create multiple levels of details (LOD)...
Toward Continuous and Updated 3D Geospatial Terrain Modelling Based on DTM and LIDAR Data
Spatial Analysis Database Updating Computer Vision Data Integration
2015/12/16
The constant need for updated and accurate representation of our natural environment, which can be produced from various mapping and observation tools, is one of the major missions the geoinformation ...
Digital Terrain Modeling in a GIS Environment
Accuracy Assessment 3D Modeling DTM/DSM 3D GIS and Interpolation errors
2015/12/3
Digital terrain models (DTMs) in recent times have become an integral part of National Spatial Data Infrastructure (NSDI) of many countries world-wide due to their invaluable importance. DTMs play a m...
Blunder Elimination Techniques in Adaptive Automatic Terrain Extraction
Automatic Terrain Extraction Digital Surface Model Digital Terrain Model Image Registration Blunder Removal Object Filtering
2015/11/23
This paper introduced a new automatic terrain extraction (ATE) module inside ERDAS’s photogrammetric software LPS. This method uses a global DEM to initialize a surface model and iteratively refines i...
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...
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...
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...
APPLYING TERRAIN AND HYDROLOGICAL EDITING TO TANDEM-X DATA TO CREATE A CONSUMER-READY WORLDDEM PRODUCT
WorldDEM TanDEM-X TerraSAR-X
2015/5/7
The Geo-intelligence division of Airbus Defence and Space and the German Aerospace Center (DLR) have partnered to produce the first fully global, high-accuracy Digital Surface Model (DSM) using SAR ...
DIGITAL TERRAIN MODELS FROM AIRBORNE LASER SCANNER DATA - A GRID BASED APPROACH
airborne laser scanning DTM generation
2015/3/25
Since Airborne laser scanning sensors are operational and the data capture, including the calculation of the exterior orientation by
using GPS and INS, has reached a high level of automation, the fo...
TERRAIN SURFACE RECONSTRUCTION BY THE USE OF TETRAHEDRON MODEL WITH THE MDL CRITERION
LIDAR Automation DEM/DTM Filtering
2015/3/24
A LIDAR filtering technique is used to differentiate on-terrain points and off-terrain points from a cloud of 3-D point data collected
by a LIDAR system. A major issue of concern in this low-level fi...
THE EFFECTS OF GIS ARCHITECTURE, DATA MODELS AND DATA SOURCES ON THE ACCURACY OF DIGITAL MAPS: AN EXAMPLE OF DIGITAL TERRAIN MODEL OF IBADAN REGION
GIS ARCHITECTURE DATA MODELS DATA SOURCES DIGITAL MAPS DIGITAL TERRAIN MODEL IBADAN REGION
2015/3/13
THE EFFECTS OF GIS ARCHITECTURE, DATA MODELS AND DATA SOURCES ON THE ACCURACY OF DIGITAL MAPS: AN EXAMPLE OF DIGITAL TERRAIN MODEL OF IBADAN REGION.
Terrain Analysis and Accuracy Prediction by Means of the Fourier Transformation
Terrain Analysis Accuracy Prediction Means of the Fourier Transformation
2015/1/4
Terrain Analysis and Accuracy Prediction by Means of the Fourier Transformation.
TERRAIN-DEPENDENT AGGREGATION OF 3D CITY MODELS
City models terrain models generalization aggregation geodata integration geodata fusion 3D visualization 3D Generalization
2014/10/16
3D city models offered by digital map providers typically consist of several thousands or even millions of individual buildings.Those buildings are usually generated in an automated fashion by remote ...