| Automatic Change Detection for Road Networks from Images Based on GIS |
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| 作者姓名： | SUIHaigang LIDeren GONGJianya |
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| 作者单位： | [1]不详 [2]Ph.D,StateKeyLaboratoryofInformationEngineeringinSurveying.MappingandRemoteSening,WuhanUniversity,129LuoyuRoad,Wuhan,430079,China. |
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| 基金项目： | the Open Research Fund Program of LIESMARS of Wuhan University (No. (01)0304). |
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| 摘 要： | Up to now, detailed strategies and algorithms of automatic change detection for road networks based on GIS have not been discussed. This paper discusses two different strategies of automatic change detection for images with low resolution and high resolution using old GIS data, and presents a buffer detection and tracing algorithm for detecting road from low-resolution images and a new profile tracing algorithm for detecting road from high-resolution images. For feature-level change detection (FL-CD), a so-called buffer detection algorithm is proposed to detect changes of features. Some ideas and algorithms of using GIS prior information and some context information such as substructures of road in high-resolution images to assist road detection and extraction are described in detail.
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| 关 键 词： | GIS 网络 自动化 缓冲器 运算法则 |
| 收稿时间： | 6 October 2009 |
Automatic change detection for road networks from images based on GIS |
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| SUIHaigang LIDeren GONGJianya.Automatic Change Detection for Road Networks from Images Based on GIS[J].Geo-Spatial Information Science,2003,6(4):44-50. |
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| Authors: | Haigang Sui Deren Li Jianya Gong |
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| Institution: | (1) State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, 129 Luoyu Road, 430079 Wuhan, China |
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| Abstract: | Up to now, detailed strategies and algorithms of automatic change detection for road networks based on GIS have not been discussed. This paper discusses two different strategies of automatic change detection for images with low resolution and high resolution using old GIS data, and presents a buffer detection and tracing algorithm for detecting road from low-resolution images and a new profile tracing algorithm for detecting road from high-resolution images. For feature-level change detection ( FL-CD), a so-called buffer detection algorithm is proposed to detect changes of features. Some ideas and algorithms of using GIS prior information and some context information such as substructures of road in high-resolution images to assist road detection and extraction are described in detail. |
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| Keywords: | change detection GIS buffer detection algorithm profile matching |
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