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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...
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...
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...
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...
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...
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...
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...
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...
Gis Design and Application for Tourism     GIS  Application  Design       2015/7/7
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...
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...
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...
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...
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 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...
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...

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