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With rapid new technological development during the past 50 years, aerial photos have been increasingly and commonly used not only in geographic information systems but also in various spatially relat...
The paper summarises the importance of spatial data quality, especially as data is used more and more in automated processes and decision-making, and as data is integrated or ‘joined-up’ from diverse ...
There is a growing need for consistent and up to date land cover data at various scales by regional, national and European authorities. Main drivers are recent or upcoming European directives and init...
The factors affecting the wide-scale use of DEMs (Digital Elevation Models) and their associated ORRIs (Ortho-Rectified Radar Images) created from airborne IFSAR (Interferometric Synthetic Aperture Ra...
USING LANDSAT 7 IMAGES TO UPDATE CANADIAN NATIONAL TOPOGRAPHIC DATA.
UPDATE OF THE CANADIAN ROAD NETWORK IN A DISTRIBUTED GEO-SPATIAL DATA FRAMEWORK.
Over the past decade, great progress has been made to develop national extent land cover mapping products to address natural resource issues. One of the core products of the GAP Program is range-wide ...
The geographic database producers need improved andfaster updating methods for their topographic databases to fulfil the user’s demand. In this context, change detection methods using remotely sensed ...

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