搜索结果: 1-15 共查到“地图制图技术 quality”相关记录41条 . 查询时间(0.241 秒)
THE QUALITY OF OPENSTREETMAP IN MALAYSIA: A PRELIMINARY ASSESSMENT
Volunteered Geographic Information OpenStreetMap Spatial Data Quality Data Accuracy Collaborative Mapping
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2018/11/9
Over recent years, the phenomena, Web 2.0 has led to the growth of volunteered geographic information (VGI). The emergence of VGI has played an important role in providing timely data when the costs a...
DESIGN AND ESTABLISHMENT OF QUALITY MODEL OF FUNDAMENTAL GEOGRAPHIC INFORMATION DATABASE
Fundamental Geographic Information Database Database Management System(DBMS) Quality Model Quality Evaluation
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2018/5/15
In order to make the quality evaluation for the Fundamental Geographic Information Databases(FGIDB) more comprehensive, objective and accurate, this paper studies and establishes a quality model of FG...
REPROCESSING CLOSE RANGE TERRESTRIAL AND UAV PHOTOGRAMMETRIC PROJECTS WITH THE DBAT TOOLBOX FOR INDEPENDENT VERIFICATION AND QUALITY CONTROL
close range UAV bundle adjustment quality control photogrammetry software DBAT
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2018/3/6
Photogrammetry has recently seen a rapid increase in many applications, thanks to developments in computing power and algorithms. Furthermore with the democratisation of UAVs (Unmanned Aerial Vehicles...
SCAN-TO-BIM OUTPUT VALIDATION: TOWARDS A STANDARDIZED GEOMETRIC QUALITY ASSESSMENT OF BUILDING INFORMATION MODELS BASED ON POINT CLOUDS
geometric quality assessment scan-to-BIM standardization Building Information Modeling point clouds
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2018/3/5
The use of Building Information Modeling (BIM) for existing buildings based on point clouds is increasing. Standardized geometric quality assessment of the BIMs is needed to make them more reliable an...
A GIS-BASED APPROACH TO SPATIO-TEMPORAL ANALYSIS OF URBAN AIR QUALITY IN CHENGDU PLAIN
Geographical information science Statistical analysis Computer Vision Spatial-temporal analysis Air quality
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2016/1/3
Environmental pollution of urban areas is one of key factors that state authorities and local agencies have to consider in the decisionmaking process. Understanding temporal and spatial distribution o...
COMPETENCY STANDARDS-A MEASURE OF THE QUALITY OF A WORKFORCE
Capacity Building Joint Education Photogrammetry Remote Sensing Geoinformation Management Skills Formation
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2015/12/22
Competency Standards are increasingly being used by professions and governments to define the qualifications required for professionals to practise in a discipline. They define a range oflevels of com...
Dom Quality Evaluation Based on Multi-Level Fuzzy Comprehensive Assessment of Entropy Weights
GIS Analysis Sampling Image Quality Entropy Weight
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2015/12/18
With the development of RS technology, the evaluation of DOM becomes more important. Multi-level fuzzy comprehensive evaluation is the traditional method for DOM evaluation. But in the process of trad...
Quality Assessment for Multi-Sensor Multi-Date Image Fusion
Image Processing Sharpening Image Understanding Fusion Environmental Monitoring Colour
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2015/12/16
Generally, image fusion methods are classified into three levels: pixel level (iconic), feature level (symbolic) and knowledge or decision level. In this paper we focus on iconic techniques for image ...
Quality Control in Process of Establishment of NSDI
Spatial Data Infrastructure Spatial Database Interoperability Geo-Information Market
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2015/12/11
The establishment of the Croatian National Spatial Data Infrastructure has started at the beginning of the 1990's. The main agitator of the activities was the State Geodetic Administration of the Repu...
The Quality Assessment and Sampling Model for the Geological Spatial Data in China
Sampling Quality assessment Geological data Geographic information ISO standards
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2015/12/3
The sampling inspection model proposed by this paper is the key for the quality inspection and assessment of geological data, which is based on the present standards, research findings, and the qualit...
Multi-hierarchical Quality Assessment of Geo-Spatial Data
Automation GIS Quality Road Extraction Structure Texture Updating
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2015/12/3
In this paper we describe the analysis framework system GEOAIDA with view of an application for a versatile and efficient quality assessment of geodata. GEOAIDA allows to develop image analysis ...
How the Quality of Cartographic Generalization Is Assured - the Approach with an Automatic Cartographic Generalization Chain
Cartographic Generalization Generalization Knowledge Process Control
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2015/12/2
As one of the key techniques in multi-representation database, GIS, mapmaking and Digital Earth, automatic cartographic generalization has been intensively researched since decades. Current developmen...
Quality Detection and Control for Paper Chart Production & Updating Based on Standard Quality Database
Paper Chart Quality Detection Standard Quality Database Production and Updating
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2015/10/12
The production and updating of paper chart is always the theme to the guarantee and improvement of hydrographic chart, in which
the quality detection and control is the key to consider. At present, ...
JUDGING AND VISUALISING THE QUALITY OF SPATIO-TEMPORAL DATA ON THE KAKAMEGA-NANDI FOREST AREA IN WEST KENYA
geodata diversity quality parameters quality assessment quality visualisation western Kenya
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2015/9/28
This paper discusses the judgement of data quality for a collection of 132 geodatasets and evaluates different methods of visualising the results for presentation alongside the datasets themselves in ...
AN ONTOLOGY-DRIVEN APPROACH FOR SPATIAL DATA QUALITY EVALUATION
geographic information ontologies quality evaluation workflow management
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2015/9/28
The process of spatial data quality evaluation is a set of interrelated activities aiming to produce a data quality result, and moreover,to fulfil the quality requirements set forth by the customers. ...