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The Problem of Using and Measurement of Identifiable Ground Control Points on High Resolution Aerial Images

The Problem of Using and Measurement of Identifiable Ground Control Points on High Resolution... AbstractThis paper shows the influence of the selection of photogrammetric control points as natural, identifiable points instead of signalized, premarked control points on the results of aerial triangulation of high-resolution aerial images with GSD below 10 cm. In the experiment, different selections of controls were tested using point-type and linear-type points with measurement of their centre or corner. In the experiment, 2 blocks with GSD of 5 and 10 cm were selected using the same measurements in 4 tested approaches with sets of natural identifiable points used by comparing the result with the reference variant. The experiment proves the possibility of using natural controls instead of premarked controls for images of urban areas. This can significantly reduce the cost of photogrammetric missions in urban areas where it is easy to find uniquely identifiable control points that can be used for image orientation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Photogrammetry, Cartography and Remote Sensing de Gruyter

The Problem of Using and Measurement of Identifiable Ground Control Points on High Resolution Aerial Images

10 pages

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References (7)

Publisher
de Gruyter
Copyright
© 2020 Zdzisław Kurczyński et al., published by Sciendo
eISSN
2391-9477
DOI
10.2478/apcrs-2019-0009
Publisher site
See Article on Publisher Site

Abstract

AbstractThis paper shows the influence of the selection of photogrammetric control points as natural, identifiable points instead of signalized, premarked control points on the results of aerial triangulation of high-resolution aerial images with GSD below 10 cm. In the experiment, different selections of controls were tested using point-type and linear-type points with measurement of their centre or corner. In the experiment, 2 blocks with GSD of 5 and 10 cm were selected using the same measurements in 4 tested approaches with sets of natural identifiable points used by comparing the result with the reference variant. The experiment proves the possibility of using natural controls instead of premarked controls for images of urban areas. This can significantly reduce the cost of photogrammetric missions in urban areas where it is easy to find uniquely identifiable control points that can be used for image orientation.

Journal

Archives of Photogrammetry, Cartography and Remote Sensingde Gruyter

Published: Dec 1, 2019

Keywords: aerial triangulation; ground control points; premarking; signalization; identification

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