Toward a system for road network automatic extraction in land consolidation using high spatial resolution imagery

Authors:
Riu Guo;Ming Luo;Wei Su;Daoliang Li;Yijun Jiang;Zhengshan Ju;Jun Wang
Affiliations:
College of Information and Electrical Engineering, China Agricultural University, Beijing, China and Key Laboratory of Modern Precision Agriculture System Integration, Ministry of Education, Beiji ...;Land Consolidation and Rehabilitation Center, the Ministry of land Resources, Beijing, China;College of Information and Electrical Engineering, China Agricultural University, Beijing, China;College of Information and Electrical Engineering, China Agricultural University, Beijing, China and Key Laboratory of Modern Precision Agriculture System Integration, Ministry of Education, Beiji ...;Land Consolidation and Rehabilitation Center, the Ministry of land Resources, Beijing, China;Land Consolidation and Rehabilitation Center, the Ministry of land Resources, Beijing, China;Land Consolidation and Rehabilitation Center, the Ministry of land Resources, Beijing, China
Venue:
WSEAS Transactions on Computers
Year:
2008

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Abstract

Land consolidation is a tool for increasing the area of the arable land and improving the effectiveness of land cultivation. This paper presents a practical system for automatic road extraction in land consolidation to monitor the implementation of the project. The system integrates processing of color image data and information from digital spatial databases, takes into account context information, employs existing knowledge including plans of land consolidation, rules and models, and treats each road subclass accordingly. The system was designed as three-tier construction including interface, modules and database. The prototype system has been implemented as a stand-alone software package, and has been tested on a large number of images in different land consolidation areas. The parallel line segments are firstly detected and then the improved Active Contour Models (Snakes) are introduced to link the extracted road segments to the whole networks. The system was pilot used in the study area of Fangshan in Beijing which achieved satisfactory results.