A Probabilistic Framework for Point-Based Shape Modeling in Medical Image Analysis:
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1. Verfasser: | |
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Format: | Abschlussarbeit Buch |
Sprache: | English |
Veröffentlicht: |
Wiesbaden
Vieweg & Teubner
2011
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Ausgabe: | 1. Aufl. |
Schriftenreihe: | Medizintechnik - Medizinische Bildgebung, Bildverarbeitung und bildgeführte Interventionen
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Schlagworte: | |
Online-Zugang: | Inhaltstext Inhaltsverzeichnis |
Beschreibung: | XXII, 145 S. graph. Darst. 210 mm x 148 mm, 257 g |
ISBN: | 9783834817228 3834817228 |
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Datensatz im Suchindex
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IMAGE 1
CONTENTS
1 INTRODUCTION 1
1.1 MOTIVATION 1
1.2 OBJECTIVES 2
1.3 STRUCTURE OF MANUSCRIPT 3
2 CURRENT METHODS IN STATISTICAL SHAPE ANALYSIS 7
2.1 SHAPE MODELING IN MEDICAL IMAGING 7
2.1.1 SHAPE ANALYSIS 7
2.1.2 DOING STATISTICS ON SHAPES 8
2.2 THE CORRESPONDENCE PROBLEM 10
2.2.1 ITERATIVE CLOSEST POINT ALGORITHM 11
2.2.2 SPHERICAL HARMONIC DESCRIPTION 13
2.3 COMPUTATION OF STATISTICAL SHAPE MODELS 15
2.3.1 ACTIVE SHAPE MODELS 16
2.3.2 SSM BASED ON MINIMUM DESCRIPTION LENGTH 18
2.4 SEGMENTATION USING SHAPE PRIORS 20
2.4.1 DEFORMABLE MODELS 21
2.4.2 EXPLICITLY REPRESENTED SHAPE PRIORS 23
2.4.3 IMPLICITLY REPRESENTED SHAPE PRIORS 23
2.5 DISCUSSION 25
3 A GENERATIVE GAUSSIAN MIXTURE STATISTICAL SHAPE MODEL 27
3.1 MOTIVATION 27
3.2 EXPECTATION MAXIMIZATION - ICP ALGORITHM 29
3.2.1 ALGORITHM 29
3.2.2 GENERALIZATION TO AFFINE TRANSFORMATION 32
3.2.3 EM-ICP MULTI-SCALING 33
3.3 THE UNIFIED FRAMEWORK 37
3.3.1 THE GENERATIVE MODEL 37
3.3.2 OPTIMIZATION OF PARAMETERS THROUGH A SINGLE MAP CRITERION . . 39
3.4 COMPUTATION OF THE OBSERVATION PARAMETERS 42
3.4.1 TRANSFORMATION 42
3.4.2 DEFORMATION COEFFICIENTS 45
3.5 COMPUTATION OF THE MODEL PARAMETERS 45
3.5.1 MEAN SHAPE 46
3.5.2 STANDARD DEVIATION 46
3.5.3 VARIATION MODES 46
3.6 PRACTICAL ASPECTS 50
BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/1016559186
DIGITALISIERT DURCH
IMAGE 2
III CONTENTS
3.6.1 INITIALIZATION AND CONTROL OF THE PARAMETERS 50
3.6.2 SOLVING FOR THE INITIAL VARIATION MODES 50
3.7 EXTENSION OF THE CRITERION FOR NON-CONVEX STRUCTURES 52
3.7.1 INTEGRATION OF NORMALS 52
3.7.2 ESTIMATING NORMALS FOR UNSTRUCTURED POINT CLOUDS 53
3.8 DISCUSSION 54
EVALUATION OF THE GGM-SSM 57
4.1 PERFORMANCE MEASURES 57
4.1.1 ASSESSING SSM QUALITY 57
4.1.2 DISTANCE MEASURES 60
4.2 COMPARISON TO AN ICP-SSM 61
4.2.1 SYNTHETIC DATA 63
4.2.2 BRAIN STRUCTURE MR: PUTAMEN 68
4.3 COMPARISON TO ICP-SSM AND MDL-SSM 71
4.4 UNSUPERVISED CLASSIFICATION 76
4.5 DISCUSSION 77
USING THE GGM-SSM AS A PRIOR FOR SEGMENTATION 81
5.1 INITIALIZATION 81
5.1.1 DISTRIBUTION MODELS FOR PRIOR INTENSITY KNOWLEDGE 81
5.1.2 INITIAL PLACEMENT PROBLEM 83
5.2 THE GGM-SSM IN IMPLICIT FUNCTION SEGMENTATION . 85
5.2.1 SEGMENTATION USING LEVEL SETS 86
5.2.2 MAP ESTIMATION ON THE LEVEL SETS 87
5.2.3 DERIVATION OF THE ENERGY FUNCTIONAL 90
5.2.4 OPTIMIZATION OF THE ENERGY FUNCTIONAL 92
5.3 EVALUATION ON KIDNEY CT IMAGES 93
5.3.1 SEGMENTATION EXPERIMENT 94
5.3.2 THE ROLE OF THE PARAMETERS 97
5.4 MULTIPLE SHAPE CLASS SEGMENTATION 100
5.4.1 DEVELOPMENT OF THE ALGORITHM 101
5.4.2 EXPERIMENTAL EVALUATION ON HIP JOINT CTS 104
5.5 DISCUSSION 112
CONCLUSION 115
6.1 CONTRIBUTIONS 115
6.1.1 MODEL COMPUTATION 115
6.1.2 SEGMENTATION 116
6.2 PERSPECTIVES 118
6.2.1 PARAMETERS 118
6.2.2 APPLICATION 119
IMAGE 3
CONTENTS XIX
6.2.3 RELATED WORK 119
6.2.4 OTHER 120
A MATHEMATICAL BACKGROUND 121
A.I MATHEMATICAL PREPOSITIONS 121
A.2 THE ICP AS A SPECIFIC CASE OF THE EM-ICP 123
A.3 MATHEMATICAL DERIVATIONS CHAPTER 3 123
A.4 MATHEMATICAL DERIVATIONS CHAPTER 5 126
A.4.1 DIVERGENCE CALCULUS 126
A.4.2 HELPFUL DERIVATIONS 127
B LIST OF PUBLICATIONS 129
BIBLIOGRAPHY 131
GLOSSARY 147 |
any_adam_object | 1 |
author | Hufnagel, Heike |
author_GND | (DE-588)1016914490 |
author_facet | Hufnagel, Heike |
author_role | aut |
author_sort | Hufnagel, Heike |
author_variant | h h hh |
building | Verbundindex |
bvnumber | BV039687922 |
classification_rvk | YR 1600 |
ctrlnum | (OCoLC)755712215 (DE-599)DNB1016559186 |
dewey-full | 621.39940285642 |
dewey-hundreds | 600 - Technology (Applied sciences) |
dewey-ones | 621 - Applied physics |
dewey-raw | 621.39940285642 |
dewey-search | 621.39940285642 |
dewey-sort | 3621.39940285642 |
dewey-tens | 620 - Engineering and allied operations |
discipline | Elektrotechnik / Elektronik / Nachrichtentechnik Medizin |
edition | 1. Aufl. |
format | Thesis Book |
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spelling | Hufnagel, Heike Verfasser (DE-588)1016914490 aut A Probabilistic Framework for Point-Based Shape Modeling in Medical Image Analysis Heike Hufnagel. With a foreword by Heinz Handels 1. Aufl. Wiesbaden Vieweg & Teubner 2011 XXII, 145 S. graph. Darst. 210 mm x 148 mm, 257 g txt rdacontent n rdamedia nc rdacarrier Medizintechnik - Medizinische Bildgebung, Bildverarbeitung und bildgeführte Interventionen Zugl.: Lübeck, Univ., Diss., 2010 Bildgebendes Verfahren (DE-588)4006617-4 gnd rswk-swf Korrespondenzproblem Bildverarbeitung (DE-588)4748544-9 gnd rswk-swf Wahrscheinlichkeitsverteilung (DE-588)4121894-2 gnd rswk-swf Bildsegmentierung (DE-588)4145448-0 gnd rswk-swf Formbeschreibung (DE-588)4748539-5 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Bildgebendes Verfahren (DE-588)4006617-4 s Bildsegmentierung (DE-588)4145448-0 s Formbeschreibung (DE-588)4748539-5 s Wahrscheinlichkeitsverteilung (DE-588)4121894-2 s Korrespondenzproblem Bildverarbeitung (DE-588)4748544-9 s DE-604 X:MVB text/html http://deposit.dnb.de/cgi-bin/dokserv?id=3902679&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=024536788&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
spellingShingle | Hufnagel, Heike A Probabilistic Framework for Point-Based Shape Modeling in Medical Image Analysis Bildgebendes Verfahren (DE-588)4006617-4 gnd Korrespondenzproblem Bildverarbeitung (DE-588)4748544-9 gnd Wahrscheinlichkeitsverteilung (DE-588)4121894-2 gnd Bildsegmentierung (DE-588)4145448-0 gnd Formbeschreibung (DE-588)4748539-5 gnd |
subject_GND | (DE-588)4006617-4 (DE-588)4748544-9 (DE-588)4121894-2 (DE-588)4145448-0 (DE-588)4748539-5 (DE-588)4113937-9 |
title | A Probabilistic Framework for Point-Based Shape Modeling in Medical Image Analysis |
title_auth | A Probabilistic Framework for Point-Based Shape Modeling in Medical Image Analysis |
title_exact_search | A Probabilistic Framework for Point-Based Shape Modeling in Medical Image Analysis |
title_full | A Probabilistic Framework for Point-Based Shape Modeling in Medical Image Analysis Heike Hufnagel. With a foreword by Heinz Handels |
title_fullStr | A Probabilistic Framework for Point-Based Shape Modeling in Medical Image Analysis Heike Hufnagel. With a foreword by Heinz Handels |
title_full_unstemmed | A Probabilistic Framework for Point-Based Shape Modeling in Medical Image Analysis Heike Hufnagel. With a foreword by Heinz Handels |
title_short | A Probabilistic Framework for Point-Based Shape Modeling in Medical Image Analysis |
title_sort | a probabilistic framework for point based shape modeling in medical image analysis |
topic | Bildgebendes Verfahren (DE-588)4006617-4 gnd Korrespondenzproblem Bildverarbeitung (DE-588)4748544-9 gnd Wahrscheinlichkeitsverteilung (DE-588)4121894-2 gnd Bildsegmentierung (DE-588)4145448-0 gnd Formbeschreibung (DE-588)4748539-5 gnd |
topic_facet | Bildgebendes Verfahren Korrespondenzproblem Bildverarbeitung Wahrscheinlichkeitsverteilung Bildsegmentierung Formbeschreibung Hochschulschrift |
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