Automatic measurement of sewer man-holes in large scale aerial images

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dc.identifier.uri http://dx.doi.org/10.15488/3433
dc.identifier.uri http://www.repo.uni-hannover.de/handle/123456789/3463
dc.contributor.author Pollak, Bernd
dc.contributor.author Jacobsen, Karsten
dc.date.accessioned 2018-06-08T11:57:12Z
dc.date.available 2018-06-08T11:57:12Z
dc.date.issued 2000
dc.identifier.citation Pollak, B.; Jacobsen, K.: Automatic measurement of sewer man-holes in large scale aerial images. In: International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives 33 Part B2 (2000), S. 438-442.
dc.description.abstract The geometric changes of the surface (subsidence and horizontal displacement) caused by coal mining can be determined by photogrammetry with a sufficient accuracy. As long time stable targets sewer manholes can be used. They can be identified in large scale aerial images without additional effort for targeting. They also can be measured semi-automatic in digital images. Especially for periodically performed photogrammetric evaluations of the same area these aspects can lead to a significant cost reduction against a manual measurement. The program DPLX developed by the University of Hannover resulted in a precision and completeness of the automatic image point determination similar to those by manual measurement with analytical plotters. Digital images with the full resolution can be handled also on standard PC's. © 2000 International Society for Photogrammetry and Remote Sensing. All rights reserved. eng
dc.language.iso eng
dc.publisher London : International Society for Photogrammetry and Remote Sensing
dc.relation.ispartofseries International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives 33 Part B2 (2000)
dc.rights CC BY 3.0 Unported
dc.rights.uri https://creativecommons.org/licenses/by/3.0/
dc.subject Aerial image eng
dc.subject Automatic measurement eng
dc.subject Coal mining eng
dc.subject Digital photogrammetry eng
dc.subject Antennas eng
dc.subject Coal mines eng
dc.subject Cost reduction eng
dc.subject Data handling eng
dc.subject Photogrammetry eng
dc.subject Remote sensing eng
dc.subject Sewers eng
dc.subject Aerial images eng
dc.subject Automatic measurements eng
dc.subject Coal mining eng
dc.subject Digital photogrammetry eng
dc.subject Full resolutions eng
dc.subject Geometric changes eng
dc.subject Horizontal displacements eng
dc.subject Manual measurements eng
dc.subject Image processing eng
dc.subject.classification Konferenzschrift ger
dc.subject.ddc 550 | Geowissenschaften ger
dc.title Automatic measurement of sewer man-holes in large scale aerial images eng
dc.type Article
dc.type Text
dc.relation.issn 1682-1750
dc.bibliographicCitation.volume 33
dc.bibliographicCitation.firstPage 438
dc.bibliographicCitation.lastPage 442
dc.description.version publishedVersion
tib.accessRights frei zug�nglich


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