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GIS辅助的室内定位技术研究进展
室内定位 室内GIS 位置服务
2020/3/19
室内定位技术是目前基于位置服务领域的研究热点之一，已引起政府部门、产业界和学术界的重视。室内GIS包含了丰富的先验知识，可用于辅助室内定位。本文对GIS辅助的室内定位技术需求、发展现状及面临的挑战进行了较系统梳理。首先介绍其发展现状，包括基于地图约束的室内定位、基于拓扑地图匹配的室内定位、基于语义感知的室内定位以及基于视觉感知的室内定位。随后，介绍了其面临的挑战，主要包括统一时空基准下的室内GIS...
Integrated Use of Remote Sensing and GIS for Predicting Soil Erosion Process
Spatial Analysis Integration Analytical Photogrammetry Data Integration Hazard Mapping
2015/12/18
Soil erosion is one of the most important environmental problems, and it remains a major threat to the land use of mountainous environment. Runoff from eroding mountainous landscapes contains sediment...
Interface for Dissemination of GIS Application on Internet
Internet GIS Data Dissemination Computer Vision Spatial Analysis Geography
2015/12/17
Many cartographic applications on Internet offer very efficient toolsets which allow to perform basic tasks, i.e. data up- and download, access to data related attributes, geo-referenced data represen...
A 3D GIS's Spatial Data Model Based on Cell Complex
3D GIS non manifold cell complex spatial data model spatial data structure
2015/12/3
Based on cell complex theory, after analyzing the corresponding relationship among cell, cell complex and 3D spatial solid, a formal definition for 3D spatial solid is presented. Through analyzing the...
Evaluation of Optimum Methods for Predicting Pollution Concentration in GIS Environment
Geostatistic Pollution Spatial Correlation GIS
2015/12/2
Air pollution is overflowing in big cities, especially in areas where pollution sources and the human population are concentrated. Economic growth and industrialization caused the increasing emissions...
A Study of GIS-SD Based Temporal-Spatial Modeling Spatial and Temporal Patterns of Global H5N1 Outbreaks of Water Quality in Water Pollution Accidents
Temporal Spatial Simulation Pollution Decision Support Hydrology
2015/12/1
In this paper, the one-dimension river quality system dynamics model was applied to the water quality simulation, and the conceptual GIS-SD frame was constructed. Based on the component GIS and system...
A CLOUD-BASED PLATFORM SUPPORTING GEOSPATIAL COLLABORATION FOR GIS EDUCATION
cloud computing geospatial collaboration
2015/6/17
GIS-related education needs support of geo-data and geospatial software. Although there are large amount of geographic information
resources distributed on the web, the discovery, process and integr...
DELIVERING GIS TRAINING USING GEOSPATIAL WEB SERVICE – A CASE STUDY OF LANDSLIDE RISK MAPPING IN HONG KONG
Geospatial web service Landslide
2015/6/17
This paper sketches a prototype of web-based landslide prediction service for delivering web-based training. The results show that
the proposed landslide GWSC model can effectively compute the lands...
Multi-spetral Data Integrated Process and Its Multimedia Expression in GIS
Multi-spatial information Multimedia integration Multimedia map Time-stamp
2015/1/23
This paper introduces the basic types of multi-spetral data, and discusses the basic expressing and integrated displaying forms, namely multimedia map. Expressing of multi-spetral data and their relat...
GIS AWARENESS FOR SURVEYORS – A SPATIAL DATA DISTRIBUTION PERSECTIVE
surveyor education digitizing geospatial data metadata
2014/5/9
The rapid technological growth of GIS, internet and mobile devices has steered a variety of innovated and pioneering applications in the past few years. All of these applications require spatial data ...