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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...
USE OF REMOTE SENSING AND GIS FOR FLOOD HAZARD MAPPING IN CHIANG MAI PROVINCE,NORTHERN THAILAND
flood disaster hydrologic model HEC-RAS
2016/3/17
Throughout the human history floods have been an integral part of the civilization. Still men have not quite coped well to live with floods. Flood hazards result from a combination of physical exposur...
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...
Heads-up Digitization of Geologic Maps Using an Independent User Interface and Converting into The Gis
Digitisation Geology GIS
2015/7/7
Digitization of the geologic maps is confusing and time consuming process. If the same person is digitizing the data and converting it
into the GIS, the way is not so important, but the result is. Ho...
Nowadays, time is considered as valuable as gold. Once time is used sensibly, access to a lot of information is possible. People who
want to go sightseeing in different places as tourists may need to...
Development of an Integrated Photogrammetric Cad Based Systems (ipcbs) with Emphasis on Real-time Producing of Gis-ready Data
Mapping Automation Digitisation
2015/7/7
Photogrammetry offers suitable, reliable and accurate methods for gathering data and making 3D digital models, which have vast
applications in design and implementation of information systems such as...
The Design and Development of a Temporal Gis for Cadastral and Land Title Data of Turkey
GIS Data Analysis Temporal History
2015/7/6
Cadastral and land title data has a very large spectrum of users; legal authorities, Land Registry and Cadastre offices, Highway
departments, Foundations, Ministries of Budget, Transportation, Justic...
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...
THE USE OF DGPS-RTK MEASUREMENTS THROUGH GSM NETWORK FOR GIS ENVIRONMENTS
GPS GSM DGPS RTK geodetic survey navigation direct georeferentiation
2015/6/1
The necessity to get positioning in the most precise way and in the briefest time assumes great importance either in the navigational field or in the geodetic surveys. The GPS system is really the mos...
GIS in the treatment and analysis of meteorological and oceanographic data
SPRING Oceanographic Data Meteorological Data Water Masses
2015/2/5
In this work we use SPRING, a GIS package created at the Image Processing Division in the National
Institute for Space Research, INPE, to develop an application to integrate, visualize and manipulate...