Resource constrained video coding systems:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2012
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| Schlagworte: | |
| Online-Zugang: | Volltext https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20120716-1096008-1-1 Inhaltsverzeichnis |
| Beschreibung: | III, 133 S. Ill., graph. Darst. |
Internformat
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Datensatz im Suchindex
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|---|---|
| adam_text | IMAGE 1
CONTENTS
1 I N T R O D U C T I O N 1
1.1 STATE-OF-THE-ART RESOURCE OPTIMIZATION 2
1.2 THE EMERGING PICTURE OF RESOURCE OPTIMIZED VIDEO COMMUNICATIONS 2
1.2.1 THE CHANGING REALM OF DIGITAL MULTIMEDIA 3
1.2.2 THE FUTURE OF RESOURCE OPTIMIZED SYSTEMS 3
1.3 OUR CONTRIBUTION TO RESOURCE OPTIMIZED VIDEO COMMUNICATION SYS TEMS
4
2 PRELIMINARIES 5
2.1 RESOURCE CONSTRAINED VIDEO COMMUNICATION: FORMULATION 6
2.1.1 THE CONSTRAINED RESOURCES FOR VIDEO COMMUNICATION SYSTEMS 6 2.1.2
COMPUTATIONAL RESOURCE CONSTRAINTS OF IMPLEMENTATION . . . 6 2.2 VIDEO
CODECS FOR RESOURCE CONSTRAINED COMMUNICATION SYSTEMS . . 8 2.2.1
DISTRIBUTED VIDEO SOURCE CODING 8
2.2.2 BLOCK-BASED HYBRID VIDEO CODECS 9
2.2.3 ERROR CONCEALMENT FOR BLOCK-BASED VIDEO CODECS 15
2.2.4 DISCUSSION 16
3 R E S O U R C E CONSTRAINED V I D E O CODING: B R I E F R E V I E W 1
7
3.1 ENCODER OPTIMIZATIONS 17
3.1.1 JOINT SOURCE-CHANNEL POWER OPTIMIZATIONS 18
3.1.2 JOINT R-D-C OPTIMIZATION 20
3.1.3 MOTION ESTIMATION BASED OPTIMIZATION 21
3.1.4 MODE RANKING 21
3.1.5 ENCODER RESOURCE USAGE PREDICTION 22
3.1.6 SKIP MODE PREDICTION 22
3.1.7 COMPUTATIONAL RESOURCE MANAGEMENT OF A VIDEO ENCODER . . 23 3.1.8
VARIABLE COMPLEXITY TRANSFORM 24
3.2 DECODER OPTIMIZATIONS 24
3.2.1 DECODER RESOURCE USAGE MODELING 24
3.2.2 COMPUTATIONAL RESOURCE MANAGEMENT BY QUALITY DEGRADATION 25 3.2.3
RDC OPTIMIZATIONS FOR STREAMING APPLICATIONS USING GENERIC COMPLEXITY
METRICS (GCM) 26
3.3 SOME COMMENTS ON THE REVIEWED WORK 27
4 R E S O U R C E CONSTRAINED V I D E O C O D I N G S Y S T E M S 2 9
4.1 MOBILE VIDEO CONVERSATIONAL APPLICATIONS 29
III
HTTP://D-NB.INFO/1028601190
IMAGE 2
4.1.1 ERROR ROBUSTNESS 30
4.1.2 PERFORMANCE METRICS 32
4.1.3 ROBUST WIRELESS VIDEO COMMUNICATIONS 33
4.1.4 PERFORMANCE EVALUATION 37
4.1.5 DISCUSSION OF RESULTS 41
4.2 TELEPRESENCE SYSTEMS 42
4.2.1 COMPUTER VISION TECHNIQUES FOR TELEPRESENCE SYSTEMS . . . 43 4.2.2
RESOURCE CONSTRAINTS IN TPTA SYSTEMS 43
4.2.3 RESOURCE OPTIMIZATION IN TPTA SYSTEMS 44
4.2.4 REVIEW OF VIDEO QUALITY EVALUATION IN TPTA SYSTEMS . . . . 44
4.2.5 EVALUATION RESULTS AND DISCUSSION 45
4.2.6 DISCUSSION OF RESULTS 48
5 C O M P U T A T I O N A L R E S O U R C E O P T I M I Z E D V I D E O
C O D E C 5 1
5.1 SYSTEM CLASSIFICATION 51
5.1.1 SOURCE CODEC CONFIGURATION 52
5.1.2 CHANNEL CHARACTERISTICS 54
5.2 SYSTEM-WIDE TIMING ANALYSIS 54
5.2.1 VIDEO COMPLEXITY VERIFIER 56
5.3 DECODER RESOURCE USAGE MODEL 59
5.3.1 DESIGN CONSIDERATIONS 61
5.3.2 FORMULATION OF THE MODEL 62
5.3.3 MEMORY USAGE MODELING 66
5.3.4 IMPLEMENTATION NOTES ON DECODER MODELING 67
5.4 ONLINE RESOURCE OPTIMIZATION 68
5.4.1 RDC OPTIMIZATIONS 69
5.4.2 CD MODE RANKING 71
5.4.3 SYSTEM-WIDE COMPUTATIONAL RESOURCE MANAGEMENT 72 5.4.4 CODEC
BEHAVIOR UNDER LOSSY CHANNEL CONDITIONS 79
5.5 OFFLINE RESOURCE OPTIMIZATION 80
5.5.1 GOP-BASED RESOURCE OPTIMIZATION 81
5.5.2 ARCHITECTURAL OPTIONS FOR OPTIMIZATION 81
5.5.3 DESIGN CONSIDERATIONS FOR GOP-BASED OPTIMIZATION 82
6 S E L E C T E D P E R F O R M A N C E R E S U L T S 8 5
6.1 CODEC SOFTWARE AND HARDWARE SELECTION 85
6.2 CONFIDENCE LEVEL AND UNKNOWN VARIANCE 86
6.3 DECODER RESOURCE MODEL VERIFICATION 87
6.4 ONLINE OPTIMIZATIONS 89
6.4.1 REFERENCE SYSTEM 89
6.4.2 3GPP PSC APPLICATION 91
6.4.3 TPTA APPLICATIONS 102
6.5 OFFLINE OPTIMIZATIONS 106
6.5.1 REFERENCE SYSTEM 106
6.5.2 SELECTED PERFORMANCE RESULTS 107
7 CONCLUSION A N D O U T L O O K 1 0 9
IMAGE 3
A EVALUATION FRAMEWORK 1 1 1
A.L 3GPP CONVERSATIONAL APPLICATION I L L
A. 1.1 SIMULATION ENVIRONMENT COMPONENTS 112
A. 1.2 SIMULATION AND TESTING ENVIRONMENT 113
A 2 TPTA EVALUATION METHODOLOGY AND FRAMEWORK 117
A.2.1 PERFORMANCE EVALUATION 118
|
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| spelling | Zia, Waqar Verfasser aut Resource constrained video coding systems Waqar Zia 2012 III, 133 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Techn. Univ., Diss., 2012 (DE-588)4113937-9 Hochschulschrift gnd-content Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:91-diss-20120716-1096008-1-1 http://mediatum.ub.tum.de/node?id=1096008 Verlag kostenfrei Volltext https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20120716-1096008-1-1 Resolving-System DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025194152&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Zia, Waqar Resource constrained video coding systems |
| subject_GND | (DE-588)4113937-9 |
| title | Resource constrained video coding systems |
| title_auth | Resource constrained video coding systems |
| title_exact_search | Resource constrained video coding systems |
| title_full | Resource constrained video coding systems Waqar Zia |
| title_fullStr | Resource constrained video coding systems Waqar Zia |
| title_full_unstemmed | Resource constrained video coding systems Waqar Zia |
| title_short | Resource constrained video coding systems |
| title_sort | resource constrained video coding systems |
| topic_facet | Hochschulschrift |
| url | http://mediatum.ub.tum.de/node?id=1096008 https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20120716-1096008-1-1 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025194152&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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