Prediction strategies for dynamic objects in visual scenes:
Gespeichert in:
| Beteilige Person: | |
|---|---|
| Format: | Hochschulschrift/Dissertation Buch |
| Sprache: | Englisch |
| Veröffentlicht: |
Düsseldorf
VDI-Verl.
2011
|
| Ausgabe: | Als Ms. gedr. |
| Schriftenreihe: | Fortschritt-Berichte VDI
Reihe 8, Mess-, Steuerungs- und Regelungstechnik ; 1198 |
| Schlagwörter: | |
| Links: | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024517491&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| Umfang: | XV, 156 S. Ill., graph. Darst. 21 cm |
| ISBN: | 9783185198083 |
Internformat
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| 490 | 0 | |a Berichte aus dem Institut für Automatisierungstechnik und Mechatronik der TU Darmstadt | |
| 502 | |a Zugl.: Darmstadt, Techn. Univ., Diss, 2011 | ||
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Datensatz im Suchindex
| _version_ | 1819283853927251968 |
|---|---|
| adam_text | IMAGE 1
CONTENTS
LIST OF SYMBOLS AND ABBREVIATIONS VIII
ABSTRACT XII
KURZFASSUNG XIV
1 INTRODUCTION 1
1.1 GOALS AND NOVELTIES OF THIS THESIS 4
1.2 OUTLINE OF THIS THESIS 5
2 EMBEDDING: FUNDAMENTALS AND RELATED APPROACHES 7
2.1 MOTIVATION: FROM BIOLOGICAL PARADIGM TO TECHNICAL IMITATION . 7 2.2
OBJECT TRACKING AS A NON-LINEAR FILTERING PROBLEM 9
2.2.1 STATE ESTIMATION 9
2.2.2 OPTIMAL VS. SUBOPTIMAL FILTERS 11
2.3 VISUAL SENSORY MEASUREMENT 16
2.3.1 OBJECT REPRESENTATION AND FEATURE SELECTION 16
2.3.2 MEASUREMENT METHODS 17
2.3.3 TEMPLATE ADAPTATION 20
2.3.4 OBJECT SEGMENTATION 20
2.3.5 NOVELTY OF THIS WORK 21
2.4 PREDICTION STRATEGIES 21
2.4.1 MULTIPLE MODEL PREDICTION 22
2.4.2 HIERARCHICAL BAYESIAN MODELING 25
2.4.3 NOVELTY OF THIS WORK 26
2.5 DEPTH TRACKING 28
2.5.1 DEPTH CUES 28
2.5.2 NOVELTY OF THIS WORK 30
3 ROBUST MEASUREMENT FOR A VISUAL 2D TRACKING SYSTEM 31
3.1 APPEARANCE-BASED 2D TRACKING: FRAMEWORK OVERVIEW 33 3.2
MULTIPLE-CUE-BASED POSITION MEASUREMENT 35
3.3 DYNAMIC STATE ESTIMATION 38
BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/1016155964
DIGITALISIERT DURCH
IMAGE 2
VI CONTENTS
3.3.1 INTERACTING MULTIPLE MODELS 38
3.3.2 CUE INTEGRATION BY MULTIPLE OBSERVATION MODELS . . .. 42 3.3.3
PARTICLE FILTER 44
3.4 TEMPLATE ADAPTATION 44
3.4.1 LEVEL-SET SEGMENTATION 44
3.4.2 DRIFT CORRECTION 48
3.5 INITIALIZATION AND RELEASE LOGIC 50
3.6 CUE SPACE 52
3.6.1 RGB CHANNELS 52
3.6.2 STRUCTURE TENSOR 52
3.6.3 DIFFERENCE OF GAUSSIANS 54
3.6.4 STEREO DISPARITY 54
3.7 PERFORMANCE EVALUATION 55
3.7.1 SCENARIO 1: HAND TRACKING 55
3.7.2 SCENARIO 2: TRAFFIC PARTICIPANTS TRACKING 57
3.8 CONCLUSION 64
4 PREDICTION STRATEGIES 67
4.1 HIERARCHICAL PREDICTION 70
4.1.1 A UNIFIED TRACKING MODULE 71
4.1.2 MUTUAL INFLUENCES 75
4.2 AN EXAMPLE SYSTEM: HIERARCHICAL 2D-3D TRACKING 76
4.2.1 CONSTRUCTION 77
4.2.2 PERFORMANCE EVALUATION 79
4.2.3 CONCLUSION 82
4.3 COMPETITIVE PREDICTION 84
4.3.1 TRACKING FRAMEWORK 86
4.3.2 TARGET SPECIFIC MODELS FOR ENHANCED PREDICTION 86
4.3.3 QUALITY MEASURES FOR HARD MODEL SWITCHING 89
4.3.4 RESULTS 92
4.3.5 CONCLUSION 92
4.4 OUTLOOK: SELF-DEVELOPMENTAL SYSTEM 95
5 DEPTH TRACKING USING DEPTH-FROM-SIZE 97
5.1 MEASUREMENT OF RETINAL SIZE SCALE 99
5.1.1 TEMPLATE MATCHING WITH 2D AFFINE TRANSFORMATIONS . . 100 5.1.2
RESOLUTION AND TRANSFORMATION PYRAMIDS 102
5.1.3 QUANTITATIVE ANALYSIS FOR LARGE-SCALE TRANSFORMATIONS . 104 5.1.4
DISCUSSION 107
5.2 DEPTH-FROM-SIZE APPROACH 109
IMAGE 3
CONTENTS VII
5.2.1 GRAPHICAL MODEL REPRESENTATION 109
5.2.2 APPROACH 114
5.2.3 SYSTEM OPERATION AND INITIALIZATION 120
5.3 EVALUATION RESULTS 122
5.3.1 ARTIFICIAL SCENARIO WITH GROUND TRUTH 122
5.3.2 REAL-WORLD SCENARIO 123
5.4 CONCLUSION 124
6 SUMMARY AND OUTLOOK 127
6.1 SUMMARY 127
6.2 OUTLOOK 130
A GRAPHICAL MODEL: INFERENCE IN DYNAMIC BAYESIAN NETWORKS 132
B DERIVATION OF BAYESIAN TRACKING EQUATIONS 135
C IMPLEMENTATION OF THE TRACKING SYSTEM 139
LIST OF PUBLICATIONS BY THE AUTHOR 141
LIST OF SUPERVISIONS BY THE AUTHOR 143
BIBLIOGRAPHY 145
|
| any_adam_object | 1 |
| author | Zhang, Chen 1982- |
| author_GND | (DE-588)101477683X |
| author_facet | Zhang, Chen 1982- |
| author_role | aut |
| author_sort | Zhang, Chen 1982- |
| author_variant | c z cz |
| building | Verbundindex |
| bvnumber | BV039668280 |
| classification_rvk | ST 620 |
| ctrlnum | (OCoLC)760205538 (DE-599)BVBBV039668280 |
| discipline | Informatik |
| edition | Als Ms. gedr. |
| format | Thesis Book |
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| id | DE-604.BV039668280 |
| illustrated | Illustrated |
| indexdate | 2024-12-20T15:59:48Z |
| institution | BVB |
| isbn | 9783185198083 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-024517491 |
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| physical | XV, 156 S. Ill., graph. Darst. 21 cm |
| publishDate | 2011 |
| publishDateSearch | 2011 |
| publishDateSort | 2011 |
| publisher | VDI-Verl. |
| record_format | marc |
| series | Fortschritt-Berichte VDI |
| series2 | Fortschritt-Berichte VDI : Reihe 8, Mess-, Steuerungs- und Regelungstechnik Berichte aus dem Institut für Automatisierungstechnik und Mechatronik der TU Darmstadt |
| spellingShingle | Zhang, Chen 1982- Prediction strategies for dynamic objects in visual scenes Fortschritt-Berichte VDI Zustandsschätzung (DE-588)4129826-3 gnd Größenwahrnehmung (DE-588)4158223-8 gnd Prognose (DE-588)4047390-9 gnd Objektverfolgung (DE-588)4311226-2 gnd Graphisches Modell (DE-588)4606156-3 gnd Szenenanalyse (DE-588)4435333-9 gnd Wissensbasis (DE-588)4289274-0 gnd Bayes-Inferenz (DE-588)4648118-7 gnd Hierarchisches System (DE-588)4159833-7 gnd Tiefenerkennung (DE-588)4690004-4 gnd |
| subject_GND | (DE-588)4129826-3 (DE-588)4158223-8 (DE-588)4047390-9 (DE-588)4311226-2 (DE-588)4606156-3 (DE-588)4435333-9 (DE-588)4289274-0 (DE-588)4648118-7 (DE-588)4159833-7 (DE-588)4690004-4 (DE-588)4113937-9 |
| title | Prediction strategies for dynamic objects in visual scenes |
| title_auth | Prediction strategies for dynamic objects in visual scenes |
| title_exact_search | Prediction strategies for dynamic objects in visual scenes |
| title_full | Prediction strategies for dynamic objects in visual scenes Chen Zhang |
| title_fullStr | Prediction strategies for dynamic objects in visual scenes Chen Zhang |
| title_full_unstemmed | Prediction strategies for dynamic objects in visual scenes Chen Zhang |
| title_short | Prediction strategies for dynamic objects in visual scenes |
| title_sort | prediction strategies for dynamic objects in visual scenes |
| topic | Zustandsschätzung (DE-588)4129826-3 gnd Größenwahrnehmung (DE-588)4158223-8 gnd Prognose (DE-588)4047390-9 gnd Objektverfolgung (DE-588)4311226-2 gnd Graphisches Modell (DE-588)4606156-3 gnd Szenenanalyse (DE-588)4435333-9 gnd Wissensbasis (DE-588)4289274-0 gnd Bayes-Inferenz (DE-588)4648118-7 gnd Hierarchisches System (DE-588)4159833-7 gnd Tiefenerkennung (DE-588)4690004-4 gnd |
| topic_facet | Zustandsschätzung Größenwahrnehmung Prognose Objektverfolgung Graphisches Modell Szenenanalyse Wissensbasis Bayes-Inferenz Hierarchisches System Tiefenerkennung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024517491&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV000882482 |
| work_keys_str_mv | AT zhangchen predictionstrategiesfordynamicobjectsinvisualscenes |