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Satellite data can be used for: Continuous coverage of wide areas, combined with high resolution surveillance of specific locations, provides an invaluable source of strategic information to complement the resources available for security and surveillance applications.Disaster monitoring activities are undertaken by many nations and in particular by the Disaster Monitoring Constellation of satellites supplied by SSTL.However, very few studies have considered the effect of clumping index Ω in the calculation of “true” LAI....RANSAC-based mismatch detection methods are widely used in the geometric registration of images.
Secondly, the principle of road extraction, the advantages and disadvantages of various methods and research achievements were briefly highlighted.
Extracting road information from point clouds obtained through mobile laser scanning (MLS) is essential for autonomous vehicle navigation, and has hence garnered a growing amount of research interest...
This paper proposes a method for extracting buildings from Li DAR point cloud data by combining point-based and grid-based features.
In the future, how to realize the complete road extraction from a RS image is still an essential but challenging and important research topic.
This paper presents a framework for road network change detection in order to update the Canadian National Topographic Data Base (NTDB).The methodology has been developed on the basis of road extraction from IRS-pan images (with a 5.8 m spatial resolution) by using a wavelet approach.