搜索结果: 1-15 共查到“地图制图技术 Large”相关记录26条 . 查询时间(0.171 秒)
UTILIZATION OF LARGE SCALE SURFACE MODELS FOR DETAILED VISIBILITY ANALYSES
analysis of visibility unmanned air vehicle 3d point cloud extended viewshed viewshed
2018/3/5
This article demonstrates utilization of large scale surface models with small spatial resolution and high accuracy, acquired from Unmanned Aerial Vehicle scanning, for visibility analyses. The import...
SEGMENTATION OF LARGE UNSTRUCTURED POINT CLOUDS USING OCTREE-BASED REGION GROWING AND CONDITIONAL RANDOM FIELDS
Segmentation Region Growing Conditional Random Fields Point Clouds
2018/3/5
Point cloud segmentation is a crucial step in scene understanding and interpretation. The goal is to decompose the initial data into sets of workable clusters with similar properties. Additionally, it...
New implementation of OGC Web Processing Service in Python programming language.PyWPS-4 and issues we are facing with processing of large raster data using OGC WPS
OGC Web Processing Service OGC WPS PyWPS Open Source Software Free Software FOSS4G OSGeo Python Server
2016/11/24
The OGC® Web Processing Service (WPS) Interface Standard provides rules for standardizing inputs and outputs (requests and responses) for geospatial processing services, such as polygon overlay. ...
HARVESTING,INTEGRATING AND DISTRIBUTING LARGE OPEN GEOSPATIAL DATASETS USING FREE AND OPEN-SOURCE SOFTWARE
Open Data Cloud services geospatial Open-Source Software large data sets
2016/11/24
Federal, State and Local government agencies in the USA are investing heavily on the dissemination of Open Data sets produced by each of them. The main driver behind this thrust is to increase agencie...
GRIDS - An architecture for managing very large orthoimage mosaics in a database framework
GRIDS managing orthoimage mosaics database framework
2016/5/20
This paper presents the investigation and implementation of concepts for the efficient management of very large raster and orthoimage mosaics in a database framework. The paper first identifies and di...
An Investigation of Digital Orthophotos for Large Scale Mapping and Cadastre Renovation
Orthophoto Map Accuracy Cadastre Fast Cadastre Mobil Cadastre
2015/12/18
Photogrammetric softwares , functions and applications were tremendously effected by developments of image proccessing technologies in past decades. One of the applications of photogrammetric software...
Application of Image Processing and Image Analysis Methods for Large Scale Map Revision
Ikonos Geometric Correction Image Fusion Object Extraction Change Detection Map Revision
2015/12/18
The aim of this study is to use different image analysis and processing methods in order to extract information content needed to update large scale maps. Recently available high resolution satellite ...
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)...
Geo-spatial Modeling of Runoff of Large Land Mass:Analysis Approach and Results for Major River Basins of India
Runoff Curve Number Overland Flow Remote Sensing GIS Rive Basin
2015/12/1
Soil Conservation Service (SCS) and overland flow models have been used for runoff modeling over major land mass of India. Remote sensing derived daily rainfall data (Climate Prediction Centre), high ...
AUTOMATIC EXTRACTION OF LARGE COMPLEX BUILDINGS USING LIDAR DATA AND DIGITAL MAPS
LIDAR data Digital Map Building Model Primitives Patches
2015/8/31
As the use of building models are rapidly increased for various applications, many studies have been performed to develop a practical and nearly automatic method to extract such models from various se...
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...
Much local government has been using large scale digital maps with Geographic Information System (GIS). However, the updating
method of a map is not established yet. The purpose of this study is the ...
3d Modeling and Visualization of Large Cultural Heritage Sites At very High Resolution: The Bamiyan Valley and Its Standing Buddhas
Cultural Heritage SPOT IKONOS
2015/7/15
In this paper we present the modeling and visualization of the cultural heritage area of Bamiyan, Afghanistan. The region is situated
ca 200 km north-west of Kabul and it was one of the major Buddhis...
In this study, the accuracy of a geographical information system is investigated. The mentioned accuracy is not only the geometric
accuracy, but also the thematic accuracy. It is known that the stand...
EXPERIMENTAL STUDY OF DIRECT GEOREFERENCING SYSTEM (DGS) FOR LARGE-SCALE MAPPING
adjustment camera GPS IMU triangulation
2015/6/1
Presently for the orthophoto projects and small-scale mapping (e.g., 1:2,500) the aerial triangulation is no longer essential while
Direct Georeferencing System (DGS) is available as a complementary...