Holdings: Video Analysis and Repackaging for Distance Education

Video Analysis and Repackaging for Distance Education:

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Bibliographic Details
Main Authors:	Ram, A. Ranjith (Author), Chaudhuri, Subhasis (Author)
Format:	Book
Language:	English
Published:	New York [u.a.] Springer 2012
Subjects:	Fernunterricht E-Learning
Online Access:	Inhaltsverzeichnis
Physical Description:	XIII, 175 S. Ill., graph. Darst.
ISBN:	9781461438366

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MARC


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Record in the Search Index

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adam_text	IMAGE 1 CONTENTS 1 MEDIA FOR DISTANCE EDUCATION .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 1.1 INTRODUCTION............................................... I 1.2 DISTANCE EDUCATION AND E-IEARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.3 ORGANIZATION OF DIGITAL VIDEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.4 HOW IS A LECTURE VIDEO DIFFERENT? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.5 MOTIVATION FOR THE BOOK 8 2 INSTRUCTIONAL MEDIA REPACKAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. I 1 2.1 INTRODUCTION............................................... 11 2.2 OBJECTIVES FAR REPACKAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 13 2.3 CONSTRAINTS ON IMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 17 2.4 VIDEO PROCESSING NEEDS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 18 2.5 MEDIA REPACKAGING NEEDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 19 3 CURRENT STATE OF THE ART 2 I 3.1 VIDEO SHOT DETECTION AND RECOGNITION 23 3.2 TECHNIQUES FOR TEMPORAL SUMMARIZATION . . . . . . . . . . . . . . . . . . . . . . .. 27 3.3 TECHNIQUES FAR CONTENT ANALYSIS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 29 3.4 CONTENT RE-CREATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 32 3.5 CONTENT AUTHENTICATION 35 3.5.1 IMAGE AUTHENTICATION .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 35 3.5.2 AUDIO AUTHENTICATION 38 3.6 REPACKAGING FOR MINIATURE DEVICES . . . . . . . . . . . . . . . . . . . . . . . . . . .. 40 4 PREPROCESSING OF LECTURE VIDEOS ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 45 4.1 INTRODUCTION......................................... . . . . .. 45 4.2 SHOT DETECTION 48 4.3 SHOT RECOGNITION 49 4.3.1 LEARNING THE ACTIVITIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 51 4.3.2 RECOGNIZING THE ACTIVITIES . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 52 4.4 JOINT SHOT DETECTION AND RECOGNITION 52 XL IMAGE 2 XII CONTENTS 4.4.1 OPTIMAL TRANSITION DETECTION 53 4.4.2 THE OVERALL ALGORITHM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 55 4.5 ILLUSTRATIVE RESULTS 57 4.6 DISCUSSIONS............................................... 61 5 VIDEO CONTENT RE-CREATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 65 5.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 65 5.2 KEY-FRAME EXTRACTION FOR CONTENT FRAMES 68 5.2.1 INK-PIXEL DETECTION IN CONTENT FRAMES . . . . . . . . . . . . . . . . . . .. 68 5.2.2 HPP BASED KEY-FRAME SELECTION. . . . . . . . . . . . . . . . . . . . . . . .. 70 5.3 REDUNDANCY ELIMINATION IN CONTENT KEY-FRAMES . . . . . . . . . . . . . . . . .. 72 5.4 CONTENT SUPER-RESOLUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 74 5.5 KEY-FRAME EXTRACTION FOR NON-CONTENT FRAMES. . . . . . . . . . . . . . . . . . .. 76 5.6 MEDIA RE-CREATION 77 5.7 ILLUSTRATIVE RESULTS 79 5.8 DISCUSSIONS............................................... 88 6 DISPLAY OF MEDIA ON MINIATURE DEVICES . . . . . . . . . . . . . . . . . . . . . . . . . .. 89 6.1 INTRODUCTION..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 89 6.2 CREATION OF TEXT TRACKING META-DATA . . . . . . . . . . . . . . . . . . . . . . . . . . .. 92 6.3 LEGIBILITY RETENTIVE MEDIA RE-CREATION . . . . . . . . . . . . . . . . . . . . . . . . .. 96 6.4 ILLUSTRATIVE EXAMPLES 100 6.5 DISCUSSIONS 104 7 COPYRIGHT PROTECTION 107 7.1 INTRODUCTION 107 7.2 WATERMARKING METHODS FOR IMAGE AND AUDIO 109 7.3 KEY-FRAME WATERMARKING 110 7.3.1 EMBEDDING STRATEGY 112 7.3.2 EXTRACTION STRATEGY 113 7.4 AUDIO WATERMARKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 7.4.1 MULTI-SEGMENT WATERMARKING 116 7.4.2 DECISION FUSION 117 7.5 ILLUSTRATIVE RESULTS 119 7.5.1 KEY-FRAME WATERMARKING 119 7.5.2 AUDIO WATERMARKING 122 7.6 DISCUSSIONS 127 8 LECTURE VIDEO CAPSULE FOR COURSE PREVIEW 129 8.1 INTRODUCTION 129 8.2 CLIP SELECTION FROM CONTENT SEGMENTS 131 8.2.1 HISTOGRAM-BASED MEASURES 132 8.2.2 LAY OUT-BASED MEASURES 136 8.2.3 QUALITY ASSESSMENT 138 8.3 CLIP SELECTION FROM NON-CONTENT SEGMENTS 141 8.4 CAPSULE PREPARATION 141 IMAGE 3 CONTENTS XLII 8.5 ILLUSTRATIVE RESULTS 143 8.6 DISCUSSIONS 149 9 CONCLUSIONS AND FUTURE DIRECTIONS OF RESEARCH 151 9.1 CONCLUSIONS 151 9.2 FUTURE DIRECTIONS OF RESEARCH 155 APPENDICES 157 A DETAILS OF THE INSTRUCTIONAL MEDIA PACKAGE (IMP) 157 A.L COMPONENTS OF THE IMP 157 A.2 CONTENT OF THE XML FILE 157 A.3 TAGS USED BY THE XML FILE 158 B DESIGN ASPECTS OF LEC-TO-MOBILE 159 B.L IMPLEMENTATION DETAILS 159 B.2 DEVELOPMENT OF THE MEDIA PLAYER 160 B.2.1 READING DATA FROM XML FILE 160 B.2.2 DISPLAYING KEY-FRAMES ON MOBILE SCREEN 161 B.2.3 PLAYING AUDIO 162 B.3 EMULATOR RESULTS 163 REFERENCES 165 INDEX 173
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author	Ram, A. Ranjith Chaudhuri, Subhasis
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discipline	Pädagogik Informatik
format	Book
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spelling	Ram, A. Ranjith Verfasser aut Video Analysis and Repackaging for Distance Education Ram A. Ranjith ; Subhasis Chaudhuri New York [u.a.] Springer 2012 XIII, 175 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Fernunterricht (DE-588)4016867-0 gnd rswk-swf E-Learning (DE-588)4727098-6 gnd rswk-swf E-Learning (DE-588)4727098-6 s Fernunterricht (DE-588)4016867-0 s DE-604 Chaudhuri, Subhasis Verfasser aut V:DE-604 application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025236589&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis
spellingShingle	Ram, A. Ranjith Chaudhuri, Subhasis Video Analysis and Repackaging for Distance Education Fernunterricht (DE-588)4016867-0 gnd E-Learning (DE-588)4727098-6 gnd
subject_GND	(DE-588)4016867-0 (DE-588)4727098-6
title	Video Analysis and Repackaging for Distance Education
title_auth	Video Analysis and Repackaging for Distance Education
title_exact_search	Video Analysis and Repackaging for Distance Education
title_full	Video Analysis and Repackaging for Distance Education Ram A. Ranjith ; Subhasis Chaudhuri
title_fullStr	Video Analysis and Repackaging for Distance Education Ram A. Ranjith ; Subhasis Chaudhuri
title_full_unstemmed	Video Analysis and Repackaging for Distance Education Ram A. Ranjith ; Subhasis Chaudhuri
title_short	Video Analysis and Repackaging for Distance Education
title_sort	video analysis and repackaging for distance education
topic	Fernunterricht (DE-588)4016867-0 gnd E-Learning (DE-588)4727098-6 gnd
topic_facet	Fernunterricht E-Learning
url	http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025236589&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
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