Publications

Scientific Publications 



Scientific Publications
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SCHÜTT, C.; BRAUN, E.; KÜMMERER, A.; THIES, M.; SPIECKER, H. (2005): Einschätzung der Holzqualität an stehenden Bäumen - Teilautomatisierte Erkennung von Holzfehlern anhand von Rindenstrukturen
AFZ-Der Wald 60;(6): 283-286. 
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THIES, M.; KOCH, B.; SPIECKER, H.; WEINACKER, H. (ed.) (2004): Laser-Scanners for Forest and Landscape Assessment
Proceedings of NATSCAN-Conference on Laser-Scanners for Forest- and Landscape Assessment. International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences Vol. XXXVI, Part 8/ W2. 342 pp. ISSN 1682-1750.
online version: http://www.isprs.org/publications/archives.html 
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ASCHOFF, T.; THIES, M.; WINTERHALDER, D.; KRETSCHMER, U.; SPIECKER, H. (2004): Automatisierte Ableitung von forstlichen Inventurparametern aus terrestrischen Laserscannerdaten
Wissenschaftlich-Technische Jahrestagung der Deutschen Gesellschaft für Photogrammetrie, Fernerkundung und Geoinformation. 15. bis 17. September 2004 in Halle/Saale: 341- 348.  
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PFLUG, M.; RINDLE, P.; KATZENBEISSER, R. (2004): True-Ortho-Bilder mit Laser-Scanning und multispektralem Zeilenscanner. PFG 3/2004: 173-178
 
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ASCHOFF, T.; THIES, M:; SPIECKER; H. (2004): Describing Forest Stands Using Terrestrial Laser-Scanning
ISPRS-International
Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol XXXV, Part B5: 237-241 
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ABMAYR, T.; HÄRTL, F.; METTENLEITER, M.; HEINZ, I.; HILDEBRAND, A.; BEUMANN, B.; FRÖHLICH, C. (2004): Realistic 3D-Reconstruction - Combining Laserscan Data with RGB-Color Information
ISPRS-International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol XXXV, Part B5: 198-203 
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KATZENBEISSER, R.: & KURZ, S. (2004): Airborne Laser-Scanning, ein Vergleich mit terrestrischer Vermessung und Photogrammetrie. PFG 3: 179- 188
 
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PFEIFER, N.; GORTE, B.; WINTERHALDER, D. (2004): Automatic Reconstruction of Single Trees from Terrestrial Laser Scanner Data
ISPRS - International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol XXXV, Part B5: 114- 119 
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Schütt, C.; Spiecker, H.; Thies, M. (2004): Qualitätsbestimmung von Wertholzstämmen
Holzzentralblatt 130. Jg., 46: p. 595 
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Haala, N.; Reulke, R.; Thies, M.; Aschoff, T. (2004): Combination of Terrestrial Laser Scanning with high Resolution Panoramic Images for Investigations in Forest Applications and Tree Species Recognition
Proceedings of the ISPRS working group V/1, Panoramic Photogrammetry Workshop, Vol XXXIV, Part 5/W16, Dresden, 19-22 Feb 
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Abmayr, T.; Härtl, F.; Mettenleiter, M.; Heinz, I.; Hildebrand, A.; Neumann, B.; Fröhlich, C. (2004): Local Polynomial Reconstruction of Intensity data as Basis of Detecting Homologous Points and Contours with Subpixel Accuracy Applied on IMAGER 5003
Proceedings of the ISPRS working group V/1, Panoramic Photogrammetry Workshop, Vol XXXIV, Part 5/W16, Dresden, 19-22 Feb 
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Diedershagen, O.; Koch, B.; Weinacker, H. (2003): Automatic Estimation Of Forest Inventory Parameters Based On Lidar, Multi-Spectral And Fogis Data. Proceedings Optical 3-D Measurement Techniques VI, Vol II, Zürich, 22-25 Sep: 259-269.
 
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Löffler, G. (2003): Aspects of raster DEM data derived from laser measurements. Proceedings of the ISPRS working group III/3 workshop
 
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Katzenbeisser, R. (2003): About the Calibration of lidar Sensors. Proceedings of the ISPRS working group III/3 workshop
Over the past years airborne laser-scanning has become the primary choice for gathering precise and dense digital elevation models (DEM) of large areas for a wide range of applications. It is presently the most efficient method for DEM acquisition, but it is far from being mature. Its reliability is confronted with erroneous data distracting potential customers. This paper intents to describe sources of the errors and to outline how they can be avoided, corrected and compensated. 
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Diedershagen, O.; Koch, B.; Weinacker, H.; Schütt, C. (2003): Combining lidar- and GIS Data for the Extraction of Forest Inventory Parameters. Proceedings of the ScandLaser Scientific Workshop on Airborne Laser Scanning of Forests, Umeå, 2-4 Sep: 157-165.
In this approach the automatic extraction of information is based on the combined analysis of lidar-and GIS-data. The remote sensing system used consists of a lidar scanner and a RGB/NIR digital line camera.The paper will focus on the automatic delineation of the tree crown shapes, the automatic recognition of forest stand units and the calculation of the mean tree height of the highest trees in each stand unit and the calculation of the crown cover density in each unit. 
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Thies, M.; Aschoff, T.; Spiecker, H. (2003): Terrestrische Laserscanner im Forst - für forstliche Inventur und wissenschaftliche Datenerfassung. AFZ/Der Wald 58; (22): 1126-1129
The determination of forest and landscape inventory parameters out of terrestrial laser scanning data is reported and jugded. Possible applications as well as the gains in information are discussed. 
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Mettenleiter, M.; Härtl, F.; Heinz, I.; Neumann, B.; Hildebrand, A.; Abmayr, T.; Fröhlich, C. (2003): 3D Laserscanning for Engineering and Architectural Heritage Conservation
Proceedings of the XIXth International Symposium CIPA 2003 "New Perspectives To Save Cultural Heritage", Antalya, Turkey, 30.09.-04.10.2003, pp. 484-489
Design and applications of the Z+F IMAGER 5003 and the DLR panoramic camera are reported. The paper focuses on accuracy of the system and reports the realised approach from physical measurement of point clouds to coloured point clouds in the end. It shows results from two cultural landscape conservation projects, one inside and one outside measurement. 
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Simonse, M.; Aschoff, T.; Spiecker, H.; Thies, M. (2003): Automatic Determination of Forest Inventory Parameters Using Terrestrial Laserscanning. Proceedings of the ScandLaser Scientific Workshop on Airborne Laser Scanning of Forests, Umeå, S: 251- 257.
Description of the workflow on the identification of trees and determination of forest inventory parameters out of terrestrial laser scanning data. 
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Weinacker, H.; Diedershagen, O.; Koch, B. (2002): NATSCAN - dreidimensionale lasergestützte Erfassung von landschaftsbildenden Elementen. Wissenschaft.-Technische Jahrestagung d. DGPF, Band 11, S. 107-116
Concepting of the overall project in the conference tape for the scientific-technologic annual convention of the German Society photogrammetry and remote sensing. Just available in German! 
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Thies, M.; Koch, B.; Spiecker, H. (2002): Einsatzmöglichkeiten von Laserscannern für Wald- und Landschaftsinventuren. AFZ/ Der Wald 57; (8): 395- 397.
Introduction to the project idea. Published in Allgemeinen Forstzeitung (www.afz-derwald.de). Just available in German language! 
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