搜索结果: 1-15 共查到“地图制图技术 Vector”相关记录20条 . 查询时间(0.125 秒)
Integration of vector data and satellite imagery for geocoding
Automatic Image Registration Polygon Matching Feature Extraction Data Integration
2016/5/20
The geocoding of aerial and satellite imagery is traditionally a tedious manual task. Therefore numerous initiatives for automating the geocoding procedure have been started. Among them, the EU projec...
Study on Copyright Authentication of GIS Vector Data Based on Zero-Watermarking
GIS Copyright Authentication Digital Product Vector Data Zero-watermarking Hash
2015/12/18
GIS vector data is closely linked with the development of social economy and national defense, which is of high production cost and high precision, so the copyright protection of GIS vector data means...
Entity Matching in Vector Spatial Data
GIS Vector Data Entity Matching Spatial Relation Spatial Query
2015/12/18
Entity matching is a crucial and hard technology in application of vector spatial data integrating, data updating and map differential analyses. According to the disadvantage of matching algorithms no...
Multispectral IKONOS Image Segmentation Based on Vector Field Model
Land Cover Segmentation Image Processing Automation Feature Extraction Quickbird
2015/12/17
Image segmentation is a valuable approach that performs an object-based rather than a pixel-based analysis of high-spatial resolution satellite image. A multiscale approach for segmenting the pan-shar...
Rendering 3D Vector Data Using the Theory of Stencil Shadow Volume
Stencil Buffer Shadow Volume Vector Data Real-time Visualization Terrain Rendering
2015/12/2
In geographical information systems vector data has important applications in the analysis and management of virtual landscapes. Therefore, methods that allow combined visualization of terrain and geo...
Progressive Representation and Generalization of Street Network Vector Data
Cartography Generalization Representation Model Data Structures Algorithms
2015/12/2
Street network vector data is represented as Regular Closed Network. The combinatorial structure of the Regular Closed Network is modelled through abstract cell complex. Two abstraction operators and ...
Progressive Transmission of Vector Map on the Web
Progressive Transmission Map Generalization Multi-scale Representation Internet GIS Browser/Server
2015/12/2
This paper presents a method of progressive transmission of vector data on the web based on the Changes Accumulation Model. The model considers the spatial representation from one scale to another sca...
Automatic Interpretation of Vector Databases with a Raster-based Algorithm
GIS Analysis Vector Interpretation Data Mining
2015/12/2
Clustering spatial data can be interpreted as a segmentation or classification process for finding meaningful patterns in geospatial databases. Such patterns can be used to adapt further algorithms to...
A Support Vector Clustering Based Approach for Spatiotemporal Analysis in Security Informatics
Spatiotemporal clustering kernel methods modeling spatiotemporal helix
2015/12/1
Security informatics involves the application of information technology to protect public health and security. A common research topic in security informatics is the identification and representation ...
Improvement of the Fidelity of 3D Architecture Modeling Combining 3D Vector Data and Uncalibrated Image Sequences
3D Modeling 3D Spatial Database Dynamic Visualization Uncalibrated Image Sequences Multiple View Geometry 3D Surface Reconstruction Trinocular Semi-Global Optimization
2015/10/12
The goal of this work is to create a system for improving large architectures models with relatively few uncalibrated image
sequences and produces interactively navigable and photorealistic 3D scene...
THE USABILITY OF VECTORIZATION AND A NEW POINT MATCHING PROCEDURE AS FIRST STEP IN CONFLATING RASTER AND VECTOR MAPS
cartography GIS integration algorithm vector raster
2015/8/17
The growing fields of GIS application (local administration, tourism, archaeology, geology, ...) has increased the interest in studying the information sharing from different geographic databases, als...
Global Indexing of 3d Vector Geographic Features
Spatial Information Sciences Global Multiresolution
2015/7/7
Geographic data management is essential for development of geo-related applications and systems. Fast access to a subset of data
related to an area of interest with a sufficient precision is a common...
An Approach for The Semantically Correct Integration of a Dtm and 2d Gis Vector Data
GIS Adjustment Integration Modeling
2015/7/7
The most commonly used topographic vector data, the core data of a geographic information system (GIS) are currently twodimensional.
The topography is modelled by different objects which are represen...
The Importance of Time Dimension in The Vector-based Turkish Forest Information System
GIS spatiotemporal mapping
2015/7/6
A new era has been started in urban and natural resource management when GIS (Geographic Information Systems) was put in use in
Canada in 1971. Although, it was not possible to store and update the d...
INTEGRATION OF GEO IMAGERY AND VECTOR DATA INTO SCHOOL MAPPING GIS DATA-MODEL FOR EDUCATIONAL DECISION SUPPORT SYSTEM IN JORDAN
Spatial Information Sciences Databases GIS Building Integration Decision Support System Georeferencing, Education Planning
2015/6/1
The objective of this work is to build a proper Geographic Information System (GIS) data-model that can be used for school mapping planning, where all schools with attribute data would be available fo...