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2015 23rd International Conference on Geoinformatics最新文献

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A framework for a mineral resources economic data management system 矿产资源经济数据管理系统框架
Pub Date : 2015-06-19 DOI: 10.1109/GEOINFORMATICS.2015.7378696
Yan Dong, JianGuo Gao, Cheng Guo
With the development of geographic information science, GIS (geographic information system) has been used in many industries. In the field of geology and mineral resources, the previous basic GIS overlay, buffer, interpolation, and other applications, the main research work is learning how to build a geodatabase. Currently, we have established a framework that, according to the mineral resource base spatial database created, can explore the economic value of the mineral resources under the influence of multi-object database with the value of the hidden information. It can strengthen database of data processing functions, and the management system should built a simple calculation model and algorithm analysis, to provide a richer scientific basis for assessing the economic value of the mineral resources.
随着地理信息科学的发展,地理信息系统(GIS)在许多行业中得到了应用。在地质矿产资源领域,以往基本的GIS叠加、缓冲、插值等应用,主要的研究工作是学习如何建立地质数据库。目前,我们已经建立了一个框架,根据所创建的矿产资源基础空间数据库,利用隐藏信息的价值来挖掘多对象数据库影响下矿产资源的经济价值。可以加强数据库的数据处理功能,管理系统应建立简单的计算模型和算法分析,为矿产资源经济价值评估提供更丰富的科学依据。
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引用次数: 0
Interactive visualization for massive POI using tiled feature strategy 使用平铺特征策略的大规模POI交互式可视化
Pub Date : 2015-06-19 DOI: 10.1109/GEOINFORMATICS.2015.7378659
Wenyou Fan, Hengjia Liu
The role of WMS (Web Map Service) and WFS (Web Feature Service) in geo-data interoperation and exchange has been long recognized, especially in domain WebGIS platforms. Up to now, most research and applications on geo-data visualization are focused on static WMS layers or vector layers retrieved from WFS separately. In this paper, instead, we take POI (Point of Interest) data of address as an example to show how to make an interactive web map for massive point features. We proposed a new interactive visualization approach combining map tiles based on WMS and feature tiles based on WFS. Experiments have been conducted to validate the proposed approach. Comparing with the normal way of loading WMS layers and vector layers, the result indicates that the proposed approach is valid for cross-browser visualization of massive point features and can minimize the loss of information.
Web地图服务(WMS)和Web特征服务(WFS)在地理数据互操作和交换中的作用早已被认识到,特别是在领域WebGIS平台中。目前,大多数地理数据可视化的研究和应用都集中在静态WMS层或单独从WFS中检索矢量层。本文以地址的兴趣点(Point of Interest, POI)数据为例,介绍了如何制作具有大量兴趣点特征的交互式web地图。提出了一种基于WMS的地图块与基于WFS的特征块相结合的交互式可视化方法。实验验证了所提出的方法。与常规的加载WMS层和矢量层的方法进行比较,结果表明,该方法可以有效地实现海量点特征的跨浏览器可视化,并能最大限度地减少信息丢失。
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引用次数: 1
Design and application of mobile panoramic map based on sphere model 基于球面模型的移动全景地图设计与应用
Pub Date : 2015-06-19 DOI: 10.1109/GEOINFORMATICS.2015.7378690
Xianxiong Liu, Qingwu Hu, Aimingyao
With the rapid development of mobile internet and mobile devices, the mobile panoramic map service based on 360 panoramic images has become one the hottest issues in location based service (LBS) and geographic information service. In this paper, a panoramic image model based on sphere for street view release under Android operation system is proposed. A mobile street view service system framework based on three-layer architecture is designed. A mobile street view map service and on line release prototype systems using the proposed panoramic map models and the system framework is implemented. The experiment result shows that the panorama street view maps can be viewed fluently and the panoramic map service system is robust.
随着移动互联网和移动设备的快速发展,基于360全景图像的移动全景地图服务已成为基于位置服务(LBS)和地理信息服务领域的热点问题之一。本文提出了一种Android操作系统下基于球面的街景发布全景图像模型。设计了一种基于三层架构的移动街景服务系统框架。利用所提出的全景地图模型和系统框架,实现了一个移动街景地图服务和在线发布原型系统。实验结果表明,该系统能够流畅地查看全景街景地图,具有较强的鲁棒性。
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引用次数: 0
Exploring the application of virtual reality technology in surveying and mapping archives 探索虚拟现实技术在测绘档案中的应用
Pub Date : 2015-06-19 DOI: 10.1109/GEOINFORMATICS.2015.7378587
ShiMing Huang, Chaoyang Fang, Xue Mei
Firstly, this paper introduces the concept and main characteristics of the virtual reality technology (VR), and enumerates its applications in various fields. Secondly, requirements of using VR in surveying and mapping archives are presented by analyzing the shortcomings of traditional workflow of Chinese surveying and mapping archives. Thirdly, we develop the key methods and technologies to build a virtual warehouse management system, which can help the staff complete their daily work on a three-dimensional scene. And finally, we make a conclusion of this information system after applying it to the National Surveying and Mapping Archive of China for one year.
本文首先介绍了虚拟现实技术的概念和主要特点,列举了虚拟现实技术在各个领域的应用。其次,通过分析我国传统测绘档案工作流程的不足,提出了在测绘档案中应用虚拟现实的要求。第三,开发了构建虚拟仓库管理系统的关键方法和技术,使员工能够在三维场景中完成日常工作。最后,通过在中国国家测绘资料馆一年的应用,对该信息系统进行了总结。
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引用次数: 2
Land cover change detection of Ezhou Huarong district based on multi-temporal ZY-3 satellite images 基于ZY-3多时相卫星影像的鄂州市华容区土地覆盖变化检测
Pub Date : 2015-06-19 DOI: 10.1109/GEOINFORMATICS.2015.7378548
Xiaomin Yu, Bing Li, Jun Shao, Jing Zhou, Hongwei Duan
ZY-3 was the first commercial high resolution stereo mapping satellite of China, launched in 2012. It provided real time and supplementary data for geographical conditions census and monitoring. In this paper, the land cover and land use information of the Ezhou Huarong district in 2012 and 2013 was extracted respectively based on ZY-3 images obtained in 2012 and 2013 through the object-oriented classification method. The land cover and land use change information, including change location, change amount, and change type of Ezhou Huarong district from 2012 to 2013, was then computed by post-classification comparison. Finally, the change characteristic and trend of this area was analyzed with the land cover and land use change detection results of the Ezhou Huarong district. Furthermore, some suggestions for city development were provided.
ZY-3是中国首颗商用高分辨率立体测绘卫星,于2012年发射。它为地理状况普查和监测提供了实时和补充数据。本文以2012年和2013年获得的ZY-3影像为基础,采用面向对象的分类方法,分别提取鄂州市华蓉区2012年和2013年的土地覆盖和土地利用信息。通过分类后对比,计算鄂州华容区2012 - 2013年土地覆盖和土地利用变化信息,包括变化位置、变化数量和变化类型。最后,结合鄂州华容区土地覆盖和土地利用变化检测结果,分析了该区的变化特征和趋势。并对城市发展提出了建议。
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引用次数: 2
Analysis of spatial characteristics of soil erosion in ErHai Lake Basin based on GIS and RUSLE 基于GIS和RUSLE的洱海流域土壤侵蚀空间特征分析
Pub Date : 2015-06-19 DOI: 10.1109/GEOINFORMATICS.2015.7378586
Weilin Wang, Kun Yang, Yanhui Zhu, Guilin Wang, Fei Su
Based on geographic information systems (GIS) and remote sensing (RS), five primary factors affecting soil erosion in the ErHai Lake Basin are extracted rainfall erosivity, soil erodibility, terrain, vegetation coverage, and soil and water conservation measures. Meanwhile, the amount of soil erosion is estimated using the revised universal soil loss equation (RUSLE) model. Furthermore, the spatial distribution characteristics were also analyzed with the application of GIS in the view of elevation, slope and land use types. The results also showed that the soil erosion modulus was 64.68t/(hm2·a), which belonged to the grade of intensity erosion, and a erodible area of 1404.279km2(61.12% of the whole area). The results also revealed that soil erosion, especially soil erosion with high grade, mostly distributed in the following areas, that is elevation area from 2000 to 2500 meters, slope area from 25 to 45 degree, and unused land. The findings from the study are valuable for the soil erosion control and decision-making for the ErHai Lake Basin.
基于地理信息系统(GIS)和遥感(RS),提取了洱海流域降雨侵蚀力、土壤可蚀性、地形、植被覆盖度和水土保持措施5个主要影响因子。同时,利用修正的通用土壤流失方程(RUSLE)模型估算了土壤流失量。应用GIS技术,从高程、坡度、土地利用类型等角度分析其空间分布特征。土壤侵蚀模数为64.68t/(hm2·a),属于侵蚀强度等级,可侵蚀面积为1404.279km2(占总面积的61.12%)。土壤侵蚀,特别是高等级土壤侵蚀,主要分布在海拔2000 ~ 2500米、坡度25 ~ 45度、未利用地等区域。研究结果对洱海流域水土流失治理和决策具有一定的参考价值。
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引用次数: 0
Spatio-temporal evolvement of economic development of Shandong at the county level 山东县域经济发展的时空演变
Pub Date : 2015-06-19 DOI: 10.1109/GEOINFORMATICS.2015.7378615
F. Zhao, Jinzong Zhang, Yuxin Zhu
We assess the economic development level of 140 counties, districts, county-level cities of Shandong Province by choosing per capita GDP, per local fiscal revenue, and cost-income ratio of local fiscal revenue as index and using the national average value as reference values. We assess the development level and spatial status from 5 level regions and 4 types of county-level administrational regions, and analyze the tendency of evolvement of 5 classes regions and spatial status of Shandong Province. The findings are as follows: First, the economic level of Shandong Province had risen more from 2002 to 2005 and had fallen slightly from 2005 to 2011. Second, the ranking of 4 typical county-level administrational regions is an urban district, county-level city, district, and county. Third, evolution of 5 classes regions and spatial status of Shandong Province is division between high level and low level regions. Fourth, the spatial status of economic development in 2002 is 5 core regions dispersed over a wide area and from the peninsula to inland displayed a northeast-southwest variation trends from high level to low level. The spatial status of economic development in 2011 is 2 core regions parallel distributed the east of Shandong peninsula and Jinan-Dongying, the relatively low level region distributed through north-west to middle south of whole Province, and the Liaocheng-Heze low level region and Linyi circle low level region distributed on both sides of the south part of the relatively low level region. The most likely change of the spatial status of economic is the peninsula middle level region distributes on Yantai will change to high level regions, and the trends of two low level regions is hard to predict, the basic status marked by six regions will not change.
本文以山东省140个县、区、县级市的人均GDP、地方人均财政收入和地方财政收入成本收入比为指标,以全国平均值为参考值,对山东省140个县、区、县级市的经济发展水平进行了评价。从5级区域和4类县域行政区域的发展水平和空间现状进行评价,分析了山东省5级区域的发展趋势和空间现状。结果表明:①2002 - 2005年山东省经济水平上升幅度较大,2005 - 2011年经济水平略有下降;二是4个典型县级行政区域的排序为市区、县级市、区、县。③山东省5类区域的演变及其空间地位是高、低等级区域的划分。④2002年经济发展的空间状况为5个核心区分布较广,从半岛到内陆呈现由高到低的东北-西南变化趋势。2011年经济发展的空间状况为两个核心区平行分布在山东半岛东部和济南-东营,相对低水平区分布在全省西北至中南部,相对低水平区分布在相对低水平区南部两侧的聊城-菏泽低水平区和临沂圈低水平区。经济空间地位最有可能发生变化的是,分布在烟台的半岛中等水平区域将向高水平区域转变,两个低水平区域的趋势难以预测,6个区域的基本地位不会发生变化。
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引用次数: 0
A practical technique to solve settlements overlapping roads problem in map generalization 一种解决地图综合中居民点重叠道路问题的实用技术
Pub Date : 2015-06-19 DOI: 10.1109/GEOINFORMATICS.2015.7378646
Binbin Zhao, Dongliang Peng, Shixiong Hu, Shanshan Liu
In the representation of topographic data, principles existing in physical worlds should be respected. For instance, a river should flow along a thalweg; likewise, a building should keep a certain distance away from a road. The violation of these principles is called inconsistency (or conflicts). In order to keep geospatial data consistent in topographic databases, conflict detection and solving is required. Nowadays, as map generalization is more frequently applied in GIScience than ever, conflicts arising from map generalization have attracted more concerns accordingly. We aimed at solving the conflicting problem of a building overlapping a road after map generalization in this paper. First, research work in some literature related to inconsistency in the process of map generalization is summarized. Then, a morphing technique based practical solution to the aimed problem is proposed. Third, the proposed strategy and algorithm are tested on some experimental spatial data. At last, results demonstrate that the proposed method is capable of handling conflicts of a building overlaps a road practically, which resulted from map generalization, and providing a promising solution other than displacement based methods.
在表示地形数据时,应尊重现实世界中存在的原则。例如,一条河应该沿着堤坝流动;同样,建筑物也应该与道路保持一定的距离。对这些原则的违背称为不一致(或冲突)。为了保持地理空间数据在地形数据库中的一致性,需要对冲突进行检测和解决。如今,随着地图综合在地理信息科学中的应用越来越频繁,地图综合所产生的冲突也越来越受到人们的关注。本文旨在解决地图概化后建筑物与道路重叠的冲突问题。首先,综述了一些文献对地图概化过程中不一致性的研究工作。然后,针对目标问题,提出了一种基于变形技术的实用解决方案。最后,在实验空间数据上对所提出的策略和算法进行了验证。最后,实验结果表明,该方法能够较好地处理由于地图概化导致的建筑物与道路重叠的冲突,提供了一种比基于位移的方法更有前景的解决方案。
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引用次数: 1
A novel spatio-temporal similarity algorithm adapted to typhoon disaster cases 一种适用于台风灾害案例的时空相似度算法
Pub Date : 2015-06-19 DOI: 10.1109/GEOINFORMATICS.2015.7378654
Xi Zhou, Fei Wang, Chaoli Wang, Xiaocui Zheng, Fuda Zheng, Li Li
Costal areas in China frequently suffer typhoon disasters, which always causes lots of damage. Learning from appropriate historical cases can improve the efficiency of emergency decision making. A novel spatio-temporal similarity algorithm is proposed in this paper in order to find the most relevant typhoon cases. Cases similar to current typhoon disaster can be retrieved and ranked by similarity. Many factors including meteorological attributes of a typhoon and complex information of affected areas are analyzed. The track, the wind velocity, and the year of typhoons are selected as the main factors for algorithm designing. At last, the feasibility of this algorithm is testified with historical data in recent years. The proposed method can also be applied to other disaster domains.
中国沿海地区经常遭受台风灾害,经常造成很大的破坏。借鉴适当的历史案例可以提高应急决策的效率。本文提出了一种新的时空相似度算法,以寻找最相关的台风事件。可以检索与当前台风灾害相似的案例,并按相似度排序。分析了台风的气象属性和影响区域的复杂信息等诸多因素。选取台风的路径、风速和年份作为算法设计的主要因素。最后,用近年来的历史数据验证了该算法的可行性。该方法也可应用于其他灾害领域。
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引用次数: 1
A conceptual framework for the design of geo-dynamics visualization 地球动力学可视化设计的概念框架
Pub Date : 2015-06-19 DOI: 10.1109/GEOINFORMATICS.2015.7378695
Xinbao Chen, Yeping Zhou, Mei Li
Some contributed works can be contributed as follows: (1) A category method is presented to reorganize geo-dynamics types, and thus making them more robust in understanding the nature of geo-dynamics data and capturing geo-dynamics types; (2) Based on (1), the conceptual framework is presented to guide designer or user as to how to select the geo-dynamics visualization methods, according to characteristics of Spatial-Temporal data that needs to be analyzed, and tasks (user's requirements) that need to be fulfilled, and geo-dynamics types that need to be displayed. Following the conceptual framework as the guideline, it can help designers of various domain-specific applications to combine available visualization methods, and then help users to quickly determine a method with higher satisfactions.
(1)提出了一种重新组织地球动力学类型的分类方法,使其在理解地球动力学数据的本质和捕获地球动力学类型方面更加稳健;(2)在(1)的基础上,提出了概念框架,指导设计者或用户根据需要分析的时空数据的特点、需要完成的任务(用户需求)、需要显示的地球动力学类型,选择地球动力学可视化方法。以概念框架为指导,可以帮助各个领域特定应用程序的设计者组合可用的可视化方法,从而帮助用户快速确定满意度更高的方法。
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引用次数: 0
期刊
2015 23rd International Conference on Geoinformatics
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