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OpenStreetMap (OSM) is the most popular crowdsourced geographic information project. The main factor that still limits the practical use of OSM is the lack of quality assurance. OSM quality assessment...
In order to solve the automation of 3D indoor mapping task, a low cost multi-sensor robot laser scanning system is proposed in this paper. The multiple-sensor robot laser scanning system includes a pa...
OpenStreetMap (OSM) is the largest spatial database of the world. One of the most frequently occurring geospatial elements within this database is the road network, whose quality is crucial for applic...
The interferometric coherence map derived from the cross-correlation of two complex registered synthetic aperture radar (SAR) images is the reflection of imaged targets. In many applications, it can a...
Classification is the most important method to determine type of crop contained in a region for agricultural planning. There are two types of the classification. First is pixel based and the other is ...
High Accuracy Driving Maps (HADMs) are the core component of Intelligent Drive Assistant Systems (IDAS), which can effectively reduce the traffic accidents due to human error and provide more comforta...
Nowadays, high resolution IKONOS images for map productions, local municipality studies, communications, agriculture, forestry, energy and infrastructure, monitoring of environment, disaster managemen...
Through ASTER, ETM, SPOT5 and IKONOS four kinds of remote-sensing images (a coarse correction) , this paper makes a geometric correction for these four remote sensing images, using the control points ...
Image segmentation is a preliminary and critical step in segment-based image analysis. Its proper evaluation ensures that the best segmentation result is used in image classification. In this paper, i...
This contribution gives account of one of the results achieved by the group MAPA (Models and Algorithms for the digital documentation of Architectural Heritage) that integrates the IMAP3D group and th...
Land use often changes considerably due to shifts in political and societal systems. The border zone between Austria and Hungary (the former Iron Curtain zone) is an outstanding example for these soci...
GTOPO30 is a global DEM regularly spaced at 30-arc seconds (approximately 1 kilometer) covering the full extent of latitude from 90 degrees south to 90 degrees north, and the full extent of longitud...
The accuracy assessments of the orthorectification of ASTER imagery carried out using twelve different mathematical models are presented. For performing the orthorectification, 77 ground control poi...
Several commercial manufacturers produce laser scanning systems capable of measuring the surfaces of objects to precisions of the order of a few millimetres at ranges of between 2 and 200 meters. Exp...
In this study, the accuracy of a geographical information system is investigated. The mentioned accuracy is not only the geometric accuracy, but also the thematic accuracy. It is known that the stand...

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