Statistical models for segmentation from MR localizer images:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Göttingen
Cuvillier
2010
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| Ausgabe: | 1. Aufl. |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XI, 110 S. Ill., graph. Darst. |
| ISBN: | 9783869554396 |
Internformat
MARC
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| 100 | 1 | |a Fenchel, Matthias |d 1977- |e Verfasser |0 (DE-588)142379956 |4 aut | |
| 245 | 1 | 0 | |a Statistical models for segmentation from MR localizer images |c Matthias Fenchel |
| 250 | |a 1. Aufl. | ||
| 264 | 1 | |a Göttingen |b Cuvillier |c 2010 | |
| 300 | |a XI, 110 S. |b Ill., graph. Darst. | ||
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Datensatz im Suchindex
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IMAGE 1
CONTENTS
1 INTRODUCTION 1
1.1 MOTIVATION 1
1.2 CONTRIBUTIONS 2
1.3 OUTLINE 3
2 MR IMAGING 5
2.1 INTRODUCTION AND HISTORY 5
2.2 COMPARISON TO COMPUTED TOMOGRAPHY 6
2.3 BASIC PRINCIPIES 7
2.3.1 SPINS, EXCITATION AND RELAXATION 7
2.3.2 SPATIAL ENCODING 12
2.3.3 EFFECTIVE SPIN DENSITY AND K-SPACE FORMALISM 13
2.4 SEQUENCE FAMILIES 14
2.4.1 FID SEQUENCE 14
2.4.2 SPIN ECHO SEQUENCE 14
2.4.3 GRADIENT ECHO SEQUENCE 15
2.4.4 CONTRAST, RESOLUTION, SNR AND THE RELATIONS 16
2.5 FAST MR IMAGING 22
2.5.1 MULTI ECHO SEQUENCES 22
2.5.2 HALF-FOURIER-TECHNIQUES 22
2.5.3 STEADY-STATE SEQUENCES, FLASH 23
2.5.4 PARALLEL IMAGING 23
2.5.5 CONTINUOUS TABLE IMAGING 25
2.5.6 ARTIFACTS IN MR IMAGING 26
3 LIVER SEGMENTATION FROM MR IMAGE SLICES USING AN ACTIVE SHAPE MODEL 29
3.1 INTRODUCTION 29
3.1.1 MOTIVATION 29
3.1.2 MODEL BASED APPROACHES IN MEDICAL IMAGING 30
3.1.3 ACTIVE SHAPE MODELS 31
3.2 RELATEDWORK 33
3.2.1 STATISTICAL MODELS AND ACTIVE SHAPE MODELS IN MEDICAL IMAGING . .
. 33 3.2.2 STATISTICAL SHAPE MODELS AND ACTIVE SHAPE MODELS IN LIVER
SEGMENTATION 34 3.3 BUILDING THE LIVER MODEL 35
3.3.1 LIVER IMAGES 35
3.3.2 MANUAL SEGMENTATIONS 35
3.3.3 CORRESPONDENCES 36
3.3.4 THE MODEL AND ITS PRINCIPAL MODES OF VARIATION 43
3.4 MODELING LOCAL APPEARANCE 44
3.4.1 OFFLINE STRATEGY 46
3.4.2 ON-THE-FLY STRATEGY 46
3.4.3 SAMPLES OUTSIDE OF THE HELD OF VIEW 48
VUE
BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/1005906866
DIGITALISIERT DURCH
IMAGE 2
CONTENTS
3.5 ACTIVE SHAPE MODEL SEARCH 49
3.5.1 PROFILE SIMILARITY MEASURES 50
3.5.2 INITIALIZING THE MODEL 51
3.5.3 ACTIVE SHAPE MODEL SEARCH ON 3D DATA 53
3.5.4 ACTIVE SHAPE MODEL SEARCH ON A SPARSELY COVERING SET OF2D DATA .
53 3.5.5 SUBSPACE SHAPE MODE] PROJECTION 56
3.6 VALIDATION AND RESULTS 58
3.7 DISCUSSION 59
4 ANATOMICA] LABELINGOF FAST VIEW IMAGES USING A STATISTICAL ATLAS 61
4.1 INTRODUCTION AND MOTIVATION 61
4.2 RELATEDWORK 63
4.3 BUILDING THE STATISTICAL ATLAS 63
4.3.1 FASTVIEW IMAGE DATA 64
4.3.2 ARMSTRIPPING 64
4.3.3 IMAGE HISTOGRAM NORMALIZATION 65
4.3.4 IMAGE DATA REGISTRATION 66
4.3.5 STATISTICAL MODEL OF DEFORMATION 75
4.3.6 STATISTICAL MODEL OFAPPEARANCE 77
4.3.7 THE STATISTICAL ATLAS 77
4.4 REGISTRATION OF FASTVIEW IMAGE DATA TO THE ATLAS 80
4.4.1 REGISTRATION ALGORITHM 80
4.4.2 SIMILARITY MEASURE 81
4.4.3 OPTIMIZATION 82
4.4.4 GPU BASED HARDWARE ACCELERATION 85
43 VALIDATION AND RESULTS 90
4.6 DISCUSSION AND FUTURE WORK 91
5 CONCLUSION 95
5.1 SUMMARY AND DISCUSSION 95
5.2 OUTLOOK 96
A MATHEMATICAL DETAILS 99
A.1 FAST COMPUTATION OF THE PRINCIPAL COMPONENTS 99
A.2 SIMILARITY TRANSFORMATION ESTIMATION 99
A.3 AFFINE TRANSFORMATION ESTIMATION 100
VIII |
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| id | DE-604.BV026927642 |
| illustrated | Illustrated |
| indexdate | 2024-12-06T09:03:58Z |
| institution | BVB |
| isbn | 9783869554396 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-022450369 |
| oclc_num | 918179530 |
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| physical | XI, 110 S. Ill., graph. Darst. |
| publishDate | 2010 |
| publishDateSearch | 2010 |
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| publisher | Cuvillier |
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| spelling | Fenchel, Matthias 1977- Verfasser (DE-588)142379956 aut Statistical models for segmentation from MR localizer images Matthias Fenchel 1. Aufl. Göttingen Cuvillier 2010 XI, 110 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Zugl.: Tübingen, Univ., Diss., 2010 Statistisches Modell (DE-588)4121722-6 gnd rswk-swf Bildsegmentierung (DE-588)4145448-0 gnd rswk-swf Kernspintomografie (DE-588)4120806-7 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Kernspintomografie (DE-588)4120806-7 s Bildsegmentierung (DE-588)4145448-0 s Statistisches Modell (DE-588)4121722-6 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=022450369&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Fenchel, Matthias 1977- Statistical models for segmentation from MR localizer images Statistisches Modell (DE-588)4121722-6 gnd Bildsegmentierung (DE-588)4145448-0 gnd Kernspintomografie (DE-588)4120806-7 gnd |
| subject_GND | (DE-588)4121722-6 (DE-588)4145448-0 (DE-588)4120806-7 (DE-588)4113937-9 |
| title | Statistical models for segmentation from MR localizer images |
| title_auth | Statistical models for segmentation from MR localizer images |
| title_exact_search | Statistical models for segmentation from MR localizer images |
| title_full | Statistical models for segmentation from MR localizer images Matthias Fenchel |
| title_fullStr | Statistical models for segmentation from MR localizer images Matthias Fenchel |
| title_full_unstemmed | Statistical models for segmentation from MR localizer images Matthias Fenchel |
| title_short | Statistical models for segmentation from MR localizer images |
| title_sort | statistical models for segmentation from mr localizer images |
| topic | Statistisches Modell (DE-588)4121722-6 gnd Bildsegmentierung (DE-588)4145448-0 gnd Kernspintomografie (DE-588)4120806-7 gnd |
| topic_facet | Statistisches Modell Bildsegmentierung Kernspintomografie Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=022450369&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT fenchelmatthias statisticalmodelsforsegmentationfrommrlocalizerimages |