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Access Strategies for Digital Video and Digital Rights Management
Grace Agnew, Georgia Institute of
Technology
Mairéad Martin, University of Tennessee
April 10, 2023
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Overview
• About The Video Development Initiative (ViDe)
• The ViDe Video Access Working Group– Projects– Next Steps
• Digital Rights Management Initiative
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Video Development Initiative• Founded in 1998 to promote the
use of digital video in higher education
• Working Groups:– Videoconferencing:
•ViDeNet, Internet2 Commons, Videoconferencing Cookbook
– MPEG-4– Data Collaboration– Video Access
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Managing Digital Video Content Workshop• Co-sponsored by CNI, I2, SURA and
ViDe• Keynote speakers:
– Cliff Lynch (CNI)– Jane Hunter (MPEG-7)
• Asset management, DC for digital video (ViDe application profile), rights metadata, OAI, digital video accessibility, MPEG-7, METS
• www.vide.net/conferences
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Why does digital video matter?• Key medium for elearning• Dramatic, compelling• Active learning medium,
engaging multiple senses
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Why is digital video different?• Complex requirements:
Sequential medium, high bandwidth, hardware/software requirements,
• Isolated from the educational mainstream
• Frequently composed of multiple, synchronized channels, eg., multiple video and audio feeds
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ViDe Video Access WG
• International membership of librarians, engineers, IT professionals
• Collaborates with I2 and CNI• Projects:
– Application Profile for Dublin Core– Application Profile and Advanced
Indexing Strategies with MPEG-7 and METS
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Video Access Strategies• Discovery and access• Object use
– Annotation– Bookmarking– Gathering into collections
• Use management– Safeguarding intellectual
property
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Discovery and Access: Dublin Core 15 Optional, Repeatable
Elements
Enables interoperability:
Mapping
Data Sharing
Customize Use through Application Profile
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Dublin Core:Interoperability and Mapping Standard
GEORGIA INSTITUTE OFTECHNOLOGY
G. Agnew & J .Hudgins
April 6, 2000
DIGITAL VIDEO METADATADIGITAL VIDEO METADATA
WEBKEYWORDS
DIGIT AL VIDEORESP OSITORY
DIGIT IZEDLECT URES
KEYWORDS
LIBRARY:
Books, JournalsMARC Metadata Format
DUBLINCORE
DESCRIPTIVEDESCRIPTIVE
FUT URE:MP EG7
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Dublin Core: “Base” Standard
D
C
MPEG-7FDGCGeographic metadata
DRM
Structure Map (e.g. METS)
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Use of Object: MPEG-7 Multimedia Content Description Interface
MPEG-7
TextualEncoder
MPEG-7
TextualDecoder
Contentdescription
MPEG-7
BinaryEncoder
MPEG-7
BinaryEncoder
Content
Access Unit -Textual Format
Access Unit
BinaryFormat
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Standards based segmenting and collection building
Standards based annotation and bookmarking
Asset Management: Beyond Description: MPEG-7 and METS
<VideoSegment id=“S1”>
<TextAnnotation> <FreeTextAnnotation>Man in a funny hat. </FreeTextAnnotation></TextAnnotation>
<CreationMetaInformation><Creation><Creator>Jones, Tommy.</Creator></Creation></CreationMetaInformation>
<MediaTime><MediaTimePoint>00:27:13;7</MediaTimePoint></MediaTime>
<MediaDuration><00:10:05;3></MediaDuration>
</VideoSegment>
<VideoSegment id=“S2”>
<TextAnnotation> <FreeTextAnnotation>Man with a funny moustache. </FreeTextAnnotation></TextAnnotation>
<CreationMetaInformation><Creation><Creator>Jones, Tommy.</Creator></Creation></CreationMetaInformation>
<MediaTime><MediaTimePoint>00:27:13;7</MediaTimePoint></MediaTime>
<MediaDuration><00:10:05;3></MediaDuration>
</VideoSegment>
MPEG-7 Example
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Managing use: DRM
• Technology to create DRM available– Authorization, access, transport
• Multiple and competing languages to describe rights of the owner, and permissions for the user
• Proprietary and commercial implementations– No R&E implementations to date
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Digital Rights Management Initiative• Launched at Managing Digital
Video Assets• Rights-L listserv created; over
300 subscribers in 21 countries; participants include LoC, MPEG, rights language developers, NSF.
• Interest in cooperative R&E effort
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Next Steps
• Creation of a “DRM-Core”– R&E Community development
•Libraries, universities, archives, consortia, standards bodies
– “Future-proofed”: interoperate with commercial and other systems
– Describing but not enforcing rights
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Role of DRM-Core in DRM Process
User
Authentication
Object
Authorization
DRM-CoreInteroperablePermissions
EditWrite,Copy, etc.
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DRM-Core Requirements• Distributed collaboration• Growing distance education marketplace• Needs to support Fair Use• Granular and differential access• Management of derivatives• Support for complex
licensing/contractual obligations• Integration with enterprise directories,
digital certificate servers, and other technologies
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R&E Scenario: Elearning
A digital video lecture: – Is limited to course registrants,– Available for three months after
course completion– Leased to non-registrants for$10
per hour: lower-resolution video file
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R&E Scenario: Thesis Creation• Student uses copyrighted video to
illustrate thesis• Fair use permission allows
selection of 20 second segments • Student creates and names
component video selections• Thesis is shared worldwide via the
Networked Digital Library of Theses & Dissertations
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DRM-Core: Next Steps
• See ViDe website for participation in existing efforts: Video Access WG, MPEG-4 and Rights-L
– www.vide.net• Workshop to engage experts,
stakeholders• Creation of a Working Group• YOUR THOUGHTS?