Multi modal data fusion in X-ray computed tomography:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Aachen
Shaker
2015
|
| Schriftenreihe: | Berichte aus der Physik
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| Schlagworte: | |
| Online-Zugang: | Inhaltstext Inhaltsverzeichnis |
| Beschreibung: | X, 112 S. Ill., graph. Darst. 210 mm x 148 mm, 186 g |
| ISBN: | 9783844035414 |
Internformat
MARC
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Datensatz im Suchindex
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CONTENTS
ABSTRACT V
LIST OF ABBREVIATIONS VII
1 INTRODUCTION 1
2 THEORETICAL BACKGROUND 3
2.1 ATTENUATION PROCESSES FOR X-RAYS 3
2.2 ATTENUATION PROCESSES FOR NEUTRONS AND THEIR GENERATION 4
2.3 FUNDAMENTALS OF CT 6
2.4 RADON TRANSFORM 8
2.5 FILTERED BACKPROJECTION 9
2.6 RECONSTRUCTION AND SAMPLING IN 3D 11
2.7 ALGEBRAIC RECONSTRUCTION 12
2.7.1 ALGEBRAIC RECONSTRUCTION TECHNIQUE (ART) 14
2.7.2 SIMULTANEOUS ALGEBRAIC RECONSTRUCTION TECHNIQUE 14
2.7.3 REGULARIZATION 16
2.7.4 PROJECTION MODEL 17
2.8 ARTIFACTS IN X-RAY COMPUTED TOMOGRAPHY 17
3 ARTIFACTS BASED ON MISSING DATA AND COMPLEMENTARY IMAGING MODALITIES
23
3.1 ARTIFACTS OWING TO MISSING DATA 23
3.1.1 LIMITED NUMBER OF PROJECTIONS 23
3.1.2 LIMITED ANGULAR VIEW 25
3.1.3 LIMITED PENETRATION 26
3.2 FURTHER IMAGING MODALITIES 28
3.2.1 PRIOR KNOWLEDGE 28
3.2.2 3D SURFACE SCANNING 28
3.2.3 ULTRASONIC IMAGING FOR EDGE DETERMINATION 32
3.2.4 CALIBRATION AND REGISTRATION 35
4 DATA FUSION USING A SUPERIORIZATION APPROACH 39
4.1 REGULARIZED SART 39
4.1.1 DERIVATION OF REGULARIZED SART (RSART) 40
4.1.2 RSART FOR TURBINE BLADES WITH PRIOR SURFACE DATA 42
4.2 SUPERIORIZATION AND INCORPORATION OF ULTRASONIC DATA 43
4.2.1 GENERAL FRAMEWORK OF SUPERIORIZATION 44
IX
HTTP://D-NB.INFO/1068549084
4.2.2 TOTAL VARIATION (TV) MINIMIZATION 45
4.2.3 OBJECTIVE FUNCTION USING EDGE MAPS 47
4.3 SUPERIORIZATION RESULTS OF TURBINE BLADES USING ULTRASONIC DATA 47
4.3.1 QUALITATIVE EVALUATION 47
4.3.2 FOURIER RING CORRELATION (FRC): A QUANTITATIVE QUALITY MEASURE
WITHOUT REFERENCE OBJECT 50
4.3.3 LIMITATIONS OF FRC 51
4.4 EDGE PICCS ALGORITHM 51
4.5 SUPERIORIZATION FOR CT AND CAD DATA FUSION BASED ON SIMULATIONS .
53
4.5.1 ALGORITHMIC DESCRIPTION AND QUALITATIVE RESULTS 54
4.5.2 QUANTITATIVE QUALITY MEASURE WITH REFERENCE OBJECT 55
4.6 CONCLUSIONS 57
5 DATA FUSION IN NEUTRON AND X-RAY COMPUTED TOMOGRAPHY 59
5.1 MOTIVATION 59
5.2 ACQUISITION OF NEUTRON AND X-RAY CT DATA 60
5.3 SPECIMEN CHARACTERIZATION 61
*5.4 PROPOSED RECONSTRUCTION METHOD 62
5.4.1 METHODOLOGY 62
5.4.2 FUSION RSART 63
5.5 RESULTS INCLUDING ALL PROJECTIONS 67
5.6 RESULTS FOR LIMITED ANGLE RECONSTRUCTIONS 72
5.7 CONCLUSIONS 76
6 DATA FUSION BY MEANS OF CAD DATA IN TOMOSYNTHESIS 79
6.1 TRUNCATED PROJECTIONS IN AN OFF-AXIS CT AND HOW WE CORRECT THEM .
80
6.1.1 DESCRIPTION OF THE STITCHING PROCESS 80
6.1.2 RESULTS 83
6.2 ITERATIVE RECONSTRUCTION IN TOMOSYNTHESIS 85
6.2.1 TYPICAL ARTIFACTS IN TOMOSYNTHESIS 86
6.2.2 RSART ALGORITHM FOR TOMOSYNTHESIS 86
6.2.3 INFLUENCE OF INCORRECT CAD DATA 90
6.3 OBJECT SPECIFIC TRAJECTORY OPTIMIZATION 91
6.4 CONCLUSIONS 94
7 SUMMARY & OUTLOOK 97
ACKNOWLEDGEMENTS 101
BIBLIOGRAPHY 103
LIST OF PUBLICATIONS 111
X |
| any_adam_object | 1 |
| author | Schrapp, Michael Johannes |
| author_facet | Schrapp, Michael Johannes |
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| author_sort | Schrapp, Michael Johannes |
| author_variant | m j s mj mjs |
| building | Verbundindex |
| bvnumber | BV042572020 |
| classification_tum | PHY 600d PHY 480d WER 000d |
| ctrlnum | (OCoLC)910824702 (DE-599)DNB1068549084 |
| dewey-full | 620.1127 530 |
| dewey-hundreds | 600 - Technology (Applied sciences) 500 - Natural sciences and mathematics |
| dewey-ones | 620 - Engineering and allied operations 530 - Physics |
| dewey-raw | 620.1127 530 |
| dewey-search | 620.1127 530 |
| dewey-sort | 3620.1127 |
| dewey-tens | 620 - Engineering and allied operations 530 - Physics |
| discipline | Physik Werkstoffwissenschaften |
| format | Thesis Book |
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| spelling | Schrapp, Michael Johannes Verfasser aut Multi modal data fusion in X-ray computed tomography Michael Johannes Schrapp 201504 Aachen Shaker 2015 X, 112 S. Ill., graph. Darst. 210 mm x 148 mm, 186 g txt rdacontent n rdamedia nc rdacarrier Berichte aus der Physik Zugl.: München, Techn. Univ., Diss., 2015 Zerstörungsfreie Werkstoffprüfung (DE-588)4067689-4 gnd rswk-swf Datenfusion (DE-588)4582612-2 gnd rswk-swf 3D-Scanner (DE-588)7704418-6 gnd rswk-swf Neutronen-Computertomografie (DE-588)4494527-9 gnd rswk-swf Ultraschallprüfung (DE-588)4061563-7 gnd rswk-swf Computertomografie (DE-588)4113240-3 gnd rswk-swf Computed Tomography X-ray Data Fusion (DE-588)4113937-9 Hochschulschrift gnd-content Zerstörungsfreie Werkstoffprüfung (DE-588)4067689-4 s Computertomografie (DE-588)4113240-3 s Ultraschallprüfung (DE-588)4061563-7 s Neutronen-Computertomografie (DE-588)4494527-9 s 3D-Scanner (DE-588)7704418-6 s Datenfusion (DE-588)4582612-2 s DE-604 X:MVB text/html http://deposit.dnb.de/cgi-bin/dokserv?id=5178311&prov=M&dok_var=1&dok_ext=htm Inhaltstext DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=028005554&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Schrapp, Michael Johannes Multi modal data fusion in X-ray computed tomography Zerstörungsfreie Werkstoffprüfung (DE-588)4067689-4 gnd Datenfusion (DE-588)4582612-2 gnd 3D-Scanner (DE-588)7704418-6 gnd Neutronen-Computertomografie (DE-588)4494527-9 gnd Ultraschallprüfung (DE-588)4061563-7 gnd Computertomografie (DE-588)4113240-3 gnd |
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| title | Multi modal data fusion in X-ray computed tomography |
| title_auth | Multi modal data fusion in X-ray computed tomography |
| title_exact_search | Multi modal data fusion in X-ray computed tomography |
| title_full | Multi modal data fusion in X-ray computed tomography Michael Johannes Schrapp |
| title_fullStr | Multi modal data fusion in X-ray computed tomography Michael Johannes Schrapp |
| title_full_unstemmed | Multi modal data fusion in X-ray computed tomography Michael Johannes Schrapp |
| title_short | Multi modal data fusion in X-ray computed tomography |
| title_sort | multi modal data fusion in x ray computed tomography |
| topic | Zerstörungsfreie Werkstoffprüfung (DE-588)4067689-4 gnd Datenfusion (DE-588)4582612-2 gnd 3D-Scanner (DE-588)7704418-6 gnd Neutronen-Computertomografie (DE-588)4494527-9 gnd Ultraschallprüfung (DE-588)4061563-7 gnd Computertomografie (DE-588)4113240-3 gnd |
| topic_facet | Zerstörungsfreie Werkstoffprüfung Datenfusion 3D-Scanner Neutronen-Computertomografie Ultraschallprüfung Computertomografie Hochschulschrift |
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