Calibration of a Terrestrial Laser Scanner - Institute of Geodesy and ...

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152 BibliographyWunderlich, T. A. [2001], OperationalProspects of Terrestrial Laser Scanning,and H. Kahmen, eds, 'Opticaland Economicin A. Grun3-D MeasurementTechniques V, Vienna (Austria), pp. 18-25. Proc.Young, M. [1984], Optics and Lasers, second edn,Springer, Berlin, Heidelberg, New York, Tokyo.Zetsche, H. [1979], Elektronsiche Entfernungsmessung(EDM), Konrad Wittwer, Stuttgart.Zhang, Z. [1994], Iterative Point Matching for Regis¬tration ofFreeform Curves and Surfaces,in 'Interna¬tional Journal of Computer Vision', Vol. 13, No. 2,pp.119-152.
List of Figures1.1 Overview of terrestrial laser scanners 21.2 Distance measurement technologies in LiDAR systems 32.1 Opticaldistance measurement methods in terrestrial laser scanners 82.2 Transmission of electromagnetic waves 92.3 Casingand structure of a laser diode 102.4 Beam waist 112.5 Eye transmission 122.6 Direct Time-of-Flight Principle 132.7 Amplitude-modulated continuous wave (AMCW) 142.8 Zoller+Frohlich: amplitude-modulated continuous wave (AMCW) 152.9 Frequency-Modulated Continuous Wave (FMCW) 152.10 Layout of silicon photodiodes 162.11 Types2.12 Phongof reflection 17model 182.13 Torrance and Sparrowmodel 192.14 Encoder overview 192.15 Binary encoding 202.16 Different types of terrestrial laser scanners classified by field of view 212.17 Oscillatingmirrors 213.1 Calibration of terrestrial laser scanners 233.2 Calibration track line including the test trolley movingon the track line 263.3 Trajectory of the calibration track line 273.4 Configuration of the control points 283.5 Situation of the observation pillars 283.6 Electronic unit for frequencymeasurement 293.7 Sphere used as target for laser scanning 303.8 Targets with varying reflectivity values 323.9 Kern theodolite DKM1 used astarget holder 333.10 Calibration setup for the distance measurement system in the 'static mode' 343.11 Repeatability of the distance measurement system3.12 Accuracy of the distance measurement systembased on the'static mode' 34based on the'static mode' 353.13 Precision of the distance measurement system based on the 'static mode' 363.14 Calibration setup for the distance measurement system in the 'scanningmode' 363.15 Residuals between estimated diameter and nominal diameter 373.16 Residuals between derived horizontal distances and the nominal distances 373.17 Development of the number of points defining a sphere 383.18 Points on a sphere 393.19 Development of the distance measurement system over a time period 403.20 Development of the frequency and the internal temperature 413.21 Experimental setup for determining the accuracy of the angle measurement system 43
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DISS. ETH NO. 17036Calibration of a
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ZusammenfassungSeit einigen Jahren
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ContentsAbstractiiiZusammenfassungv
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Contentsix6.1.3 Results Ill6.2 Stat
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1Introduction1.1 Terrestrial Laser
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1.2 Motivation 3Precision [m10~1 "1
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6 1. Introduction
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8 2. Components of Terrestrial Lase
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10 2. Components of Terrestrial Las
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24 3. Calibration of Terrestrial La
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'28 3. Calibration of Terrestrial L
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"[m] of system 90%) 3540 distance b
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!36 3. Calibration of Terrestrial L
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138 3. Calibration of Terrestrial L
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Inormal axis,intersectionpoint axis
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j/-*'.-,•66 3. Calibration of Ter
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74 4. Static Laser Scanning4.1.2 Mi
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76 4. Static Laser ScanningOptical
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78 4. Static Laser Scanningmaximum
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80 4. Static Laser Scanningand gene
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82 4. Static Laser Scanning• Ther
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84 4. Static Laser Scanning4.3.3 NU
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86 4. Static Laser Scanning
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88 5. Kinematic Laser Scanningmirro
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90 5. Kinematic Laser ScanningThe a
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92 5. Kinematic Laser Scanninghas a
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'94 5. Kinematic Laser Scanningbeam
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—96 5. Kinematic Laser ScanningTa
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''iI98 5. Kinematic Laser ScanningA
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40323 o.o; 50545 aT [jjs] 1.0().2 S
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Page 146 and 147: 136 A. Imaging System of Imager 500
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Page 168 and 169: 158 List of Tables
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