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Mobile Laser Scanning accuracy assessment for the purpose of base-map updating

100%

Fryskowska A. , Wroblewski P.

tom Vol. 67, no. 1

35--55

The aim of the research was to analyze the possibility of using mobile laser scanning systems to acquire information for production and/or updating of a basic map and to propose a no-reference index of this accuracy assessment. Point clouds have been analyzed in terms of content of interpretation and geometric potential. For this purpose, the accuracy of point clouds with a georeference assigned to the base map objects was examined. In order to conduct reference measurements, a geodetic network was designed and also additional static laser scanning data has been used. The analysis of mobile laser scanning (MLS) data accuracy was conducted with the use of 395 check points. In the paper, application of the total Error of Position of the base-map Objects acquired with the use of MLS was proposed. Research results were related to reference total station measurements. The resulting error values indicate the possibility to use an MLS point cloud in order to accurately determine coordinates for individual objects for the purposes of standard surveying studies, e.g. for updating some elements of the base map content. Nevertheless, acquiring MLS point clouds with satisfying accuracy not always is possible, unless specific resolution condition is fulfilled. The paper presents results of accuracy evaluation in different classes of base-map elements and objects.

Opracowanie ortofotomapy terenów wiejskich na podstawie wysokorozdzielczych zdjęć, pozyskanych z niskiego pułapu

70%

Kedzierski M. , Wierzbicki D. , Fryskowska A. , Wojtkowska M. , Delis P.

tom 87

nr 04

Aspekty opracowania ortofotomapy cyfrowej w podczerwieni na podstawie danych pozyskanych z niskiego pułapu

70%

Kedzierski M. , Wierzbicki D. , Fryskowska A. , Nerc P. , Grochala A.

tom 87

nr 11