Master Thesis - Fachbereich Informatik

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B. Hardware Components B.1. Camera Specification MF-033C MF-046B Image Device 1/2” (diag. 8 mm) type progressive scan 1/2” (diag. 8 mm) type progressive scan SONY IT CCD SONY IT CCD Effective Picture Elements 656 (H) × 492 (V) 780 (H) × 580 (V) Lens Mount C-mount: 17.526 mm (in air); ∅ 25.4 mm C-mount: 17.526 mm (in air); ∅ 25.4 mm (32 T.P.I.) Mechanical Flange Back to filter (32 T.P.I.) Mechanical Flange Back to filter distance: 8.2 mm distance: 8.2 mm 640 × 480 pixels (Format 0) Picture Sizes 640 × 480 pixels (Format 0; Mode 5) 656 × 492 pixels (Format 7; Mode 0) 780 × 580 pixels (Format 7; Mode 0) 388 × 580 pixels (Format 7; Mode 1) 780 × 288 pixels (Format 7; Mode 2) 388 × 288 pixels (Format 7; Mode 3) Cell Size 9.9 µm × 9.9 µm 8.3 µm × 8.3 µm ADC 10 Bit 10 Bit Color Modes Raw 8, YUV 4:2:2, YUV 4:1:1 - Data Path 8Bit 8 Frame Rates 3.75 Hz; 7.5 Hz; 15 Hz; 30 Hz; up to 74 Hz 3.75 Hz; 7.5 Hz; 15 Hz; 30 Hz; up to 53 Hz in Format 7(RAW);68Hz(YUV4:1:1);up to 51 Hz in YUV 4:2:2 in Format 7 Gain Control Manual: 0-16 dB (0.035 dB/step); Auto gain Manual: 0-24 dB (0.035 dB/step); Auto gain (select. AOI) (select. AOI) White Balance Manual AOI) (U/V); One Push; Auto (select. - Shutter Speed 20 . . . 67.108.864 µs (∼ 67s); Auto shutter 20 . . . 67.108.864 µs (∼ 67s); Auto shutter (select. AOI) (select. AOI) External Trigger Shutter Trigger Mode 0, Trigger Mode 1, Advanced Trigger Mode 0, Trigger Mode 1, Advanced feature: Trigger Mode 15 (bulk); image feature: Trigger Mode 15 (bulk); image transfer by command; Trigger delay transfer by command; Trigger delay Internal FIFO-Memory Up to 17 frames Up to 13 frames #LookUpTables One, user programmable (10 Bit → 8 Bit); One, user programmable (10 Bit → 8 Bit); Gamma (0.45) Gamma (0.45) Smart Functions Real time shading correction, image sequenc- Real time shading correction, image sequencing, two configurable inputs, two configing, two configurable inputs, two configurable outputs, image mirror (L-R ↔ R-L), urable outputs, image mirror (L-R ↔ R-L), serial port (IIDC v. 1.31) binning, serial port (IIDC v. 1.31) Transfer Rate 100 Mb/s, 200 Mb/s, 400 Mb/s 100 Mb/s, 200 Mb/s, 400 Mb/s Digital Interface IEEE 1394 IIDC v. 1.3 IEEE 1394 IIDC v. 1.3 Power Requirements DC 8 V - 36 V via IEEE 1394 cable or 12-pin DC 8 V - 36 V via IEEE 1394 cable or 12-pin HIROSE HIROSE Power Consumption Less than 3 Watts (@ 12 V d.c) Less than 3 Watts (@ 12 V d.c) Dimension 58 mm × 44 mm × 29 mm (L × W × H); 58 mm × 44 mm × 29 mm (L × W × H); without tripod and lens without tripod and lens Mass Operating Temparature < 120g(withoutlens) +5 – +45 < 120g(withoutlens) ◦ Celsius +5 – +45 ◦ Storage Temparature −10 – +60 Celsius ◦ Celsius −10 – +60 ◦ Celsius Regulations EN 55022, EN 61000, EN 55024, FCC Class EN 55022, EN 61000, EN 55024, FCC Class A, DIN ISO 9022 A, DIN ISO 9022 Options Host adapter card, locking IEEE 1394 ca- Removable IR-cut-filter, Host adapter card, ble, API (FirePackage), TWAIN (WIA)- and locking IEEE 1394 cable, API (FirePackage), WDM stream driver TWAIN (WIA)- and WDM stream driver Table B.1: Camera specifications for the AVT Marlin F-033C and F-046B. 141
142 APPENDIX B. HARDWARE COMPONENTS B.2. Illumination Hardware Description Value Rated Power Output 200 Watts Output Voltage 0.0, 0.5 to 20.5 VDC Input Voltage Rating, 50/60 Hz 90 to 265 VAC Power Factor Correction @ 230 VAC, 50 Hz > 0.99, < 4 ◦ Hold-up Time, Nominal AC Input, Full Load 8.3 ms Line Regulation, Over Entire Input Range ±0.5% Current Limit Set Point 8.5 Amps Temperature Range: Operating 0 ◦ to 45 ◦ C Storage −25 ◦ to 85 ◦ C Relative Humidity, Non-condensing 5% to 95% Table B.2: Light Source (A20800.2) with DDL Lamp Description Value Calibrated Area 3” × 5” (76 × 127mm) Panel Size 4” × 6” (102 × 152mm) Overall Thickness .05” (1.3mm) Table B.3: SCHOTT PANELite Backlight (A23000) (flexible fiber optical area light).
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Fachbereich Informatik Department o
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Acknowledgments First of all, I wou
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Contents Acknowledgments iii Abstra
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Contents ix 5.3.7. TubeLength .....
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List of Tables 1.1. Rangeoftubetype
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List of Figures 2.1. AccuracyandPre
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1. Introduction Heat shrinkable tub
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1.2. PROBLEM STATEMENT 3 hazards, r
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1.4. RELATED WORK 5 Length [mm] Tol
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1.5. THESIS OUTLINE 7 The vision pa
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2. Technical Background 2.1. Visual
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2.1. VISUAL MEASUREMENTS 11 (a) Fig
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2.1. VISUAL MEASUREMENTS 13 Figure
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2.1. VISUAL MEASUREMENTS 15 � xd
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2.2. ILLUMINATION 17 tubes alternat
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2.2. ILLUMINATION 19 effect of comp
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2.3. EDGE DETECTION 21 i 2 i 1 0 (a
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2.3. EDGE DETECTION 23 N × 1 kerne
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2.3. EDGE DETECTION 25 These operat
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2.3. EDGE DETECTION 27 (a) 0 ◦ (b
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2.4. TEMPLATE MATCHING 29 accuracy
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3. Hardware Configuration This chap
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3.2. CAMERA SETUP 33 3.2. Camera se
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3.2. CAMERA SETUP 35 eachcolorchann
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3.2. CAMERA SETUP 37 Figure 3.4: Co
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3.2. CAMERA SETUP 39 adjusting scre
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3.2. CAMERA SETUP 41 further distan
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3.3. ILLUMINATION 43 f V 12mm 129mm
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3.3. ILLUMINATION 45 (a) (b) (c) Fi
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3.3. ILLUMINATION 47 (a) (b) Figure
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3.4. BLOW OUT MECHANISM 49 A light
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4. Length Measurement Approach Whil
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4.2. MODEL KNOWLEDGE AND ASSUMPTION
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4.3. CAMERA CALIBRATION 59 4.2.7. B
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4.3. CAMERA CALIBRATION 61 Figure 4
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4.3. CAMERA CALIBRATION 63 is compu
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4.4. TUBE LOCALIZATION 65 (a) (b) F
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4.4. TUBE LOCALIZATION 67 � 1 Psm
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4.4. TUBE LOCALIZATION 69 Global Th
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4.4. TUBE LOCALIZATION 71 but also
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4.4. TUBE LOCALIZATION 73 Global Re
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4.5. MEASURING POINT DETECTION 75 f
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4.5. MEASURING POINT DETECTION 77 T
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4.5. MEASURING POINT DETECTION 79 -
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4.5. MEASURING POINT DETECTION 81 0
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4.5. MEASURING POINT DETECTION 83 o
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4.5. MEASURING POINT DETECTION 85 (
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4.5. MEASURING POINT DETECTION 87 w
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4.6. MEASURING 89 side of the tube,
Page 106 and 107: 4.6. MEASURING 91 fcor(x) =−(c1x
Page 108 and 109: 4.7. TEACH-IN 93 inthemeasuringplan
Page 110 and 111: 4.7. TEACH-IN 95 The pair of a pixe
Page 112 and 113: 5. Results and Evaluation 5.1. Expe
Page 114 and 115: 5.1. EXPERIMENTAL DESIGN 99 between
Page 116 and 117: 5.1. EXPERIMENTAL DESIGN 101 where
Page 118 and 119: 5.1. EXPERIMENTAL DESIGN 103 Ground
Page 120 and 121: 5.2. TEST SCENARIOS 105 enough, the
Page 122 and 123: 5.3. EXPERIMENTAL RESULTS 107 The t
Page 124 and 125: 5.3. EXPERIMENTAL RESULTS 109 Detec
Page 126 and 127: 5.3. EXPERIMENTAL RESULTS 111 Lengt
Page 128 and 129: 5.3. EXPERIMENTAL RESULTS 113 GTD [
Page 130 and 131: 5.3. EXPERIMENTAL RESULTS 115 gray
Page 134 and 135: 5.3. EXPERIMENTAL RESULTS 119 (a) (
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Page 140 and 141: 5.3. EXPERIMENTAL RESULTS 125 Total
Page 142 and 143: 5.3. EXPERIMENTAL RESULTS 127 Color
Page 144 and 145: 5.3. EXPERIMENTAL RESULTS 129 Task
Page 146 and 147: 5.4. DISCUSSION AND FUTURE WORK 131
Page 148 and 149: 6. Conclusion In this thesis a func
Page 150: Appendix 135
Page 153 and 154: 138 APPENDIX A. PROFILE ANALYSIS IM
Page 155: 140 APPENDIX A. PROFILE ANALYSIS IM
Page 159 and 160: 144 APPENDIX B. HARDWARE COMPONENTS
Page 161 and 162: 146 Bibliography [18] C. Demant, B.
Page 163 and 164: 148 Bibliography [51] K.K. Pingle.
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Master Thesis - Fachbereich Informatik

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