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dc.contributor.author
Amiri Parian, Jafar
dc.contributor.author
Grün, Armin
dc.contributor.editor
Vosselman, G.
dc.contributor.editor
Brenner, C.
dc.date.accessioned
2019-10-09T12:57:45Z
dc.date.available
2017-06-10T00:48:48Z
dc.date.available
2019-10-09T12:57:45Z
dc.date.issued
2005
dc.identifier.issn
1682-1750
dc.identifier.issn
2194-9034
dc.identifier.issn
1682-1777
dc.identifier.uri
http://hdl.handle.net/20.500.11850/49111
dc.identifier.doi
10.3929/ethz-b-000049111
dc.description.abstract
Nowadays, the use of laser scanner devices as an active technique for acquiring 3D information is growing fast. The huge amount of object points produced with less effort than other 3D acquisition techniques is one of the reasons for interest. For accurate measurements a sophisticated sensor model and calibration procedure is an important prerequisite of such an efficient system. Thecalibration and accuracy assessments of the measurement system reflect the reliability and correctness of the system output. For the calibration and accuracy assessments of the laser scanner system we use the laser’s intensity image and a sensor model,which we developed by extending our mathematical model for linear array based rotating panoramic cameras. The sensor model describes substantial deviations from the pinhole model using additional parameters. With additional parameters the following errors in laser scanners can be modeled: eccentricity of the scan center, collimation and horizontal axis error, tumbling error and resolution of horizontal and vertical rotation. In this paper we present the results of calibration with additional parameters for the Imager 5003 of Zoller+Fröhlich GmbH, which indicate a subpixel accuracy level for such a highly dynamic system. Finally we will demonstratethe system’s accuracy in 3D point positioning by means of a testfield. The result shows the efficiency of our approach for laserscanner modeling.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
ISPRS
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/3.0/
dc.subject
Laser Scanner
en_US
dc.subject
Panoramic Image
en_US
dc.subject
Calibration
en_US
dc.subject
Sensor
en_US
dc.subject
Modeling
en_US
dc.subject
Accuracy
en_US
dc.subject
Test
en_US
dc.title
Integrated laser scanner and intensity image calibration and accuracy assessment
en_US
dc.type
Conference Paper
dc.rights.license
Creative Commons Attribution 3.0 Unported
ethz.journal.title
International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
ethz.journal.volume
36
en_US
ethz.journal.issue
3/W19
en_US
ethz.journal.abbreviated
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.
ethz.pages.start
18
en_US
ethz.pages.end
23
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.event
ISPRS Workshop Laser scanning
en_US
ethz.event.location
Enschede, Netherlands
en_US
ethz.event.date
September 12-14, 2005
en_US
ethz.identifier.nebis
004958079
ethz.publication.place
Lemmer
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
03220 - Grün, Armin
en_US
ethz.leitzahl.certified
03220 - Grün, Armin
ethz.identifier.url
https://www.isprs.org/proceedings/XXXVI/3-W19/
ethz.date.deposited
2017-06-10T00:49:06Z
ethz.source
ECIT
ethz.identifier.importid
imp59364f3723d0771585
ethz.ecitpid
pub:80760
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2017-07-13T08:57:28Z
ethz.rosetta.lastUpdated
2019-10-09T12:57:57Z
ethz.rosetta.versionExported
true
ethz.COinS
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