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MPEG-UD User Description Standard

MPEG-UD User Description Standard. MPEG-UD AdHoc Group. Introduction to MPEG-UD. Service converging towards user-centric or user-driven User’s information is getting more important for providing user-specific services

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MPEG-UD User Description Standard

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  1. MPEG-UDUser Description Standard MPEG-UD AdHoc Group

  2. Introduction to MPEG-UD • Service converging towards user-centric or user-driven • User’s information is getting more important for providing user-specific services • Utilizing proprietary formats for user information without being aware of how they are used and gathered • Vision • All user information is stored in UD and may be safely and securely managed by the users • Providing systematic user information • Securing sensitive information • Providing service information • Providing context information • Providing customized usage of service

  3. Up-to-date history of MPEG-UD • 98th MPEG : Establishment of MPEG-UD • 99th MPEG : Draft Use Cases MPEG-UD ver 1.0 • 100th MPEG : Draft Requirements on UD ver 1.0 • Draft Use Cases MPEG-UD ver 2.0 • 101st MPEG : Draft Requirements on UD ver 2.0 • Draft Use Cases MPEG-UD ver 3.0 • 102nd MPEG : Draft Requirements on UD ver 3.0 • Draft Use Cases MPEG-UD ver 4.0 • Draft Call for Proposals on MPEG-UD

  4. Terms & Definitions • User : • human or software agents, industrial processes or devices that are capable of an independent self-planned activity in general • Service : • functionalities (human or software/hardware generated) offered to the users • Context : • environmental situation in which the user is located e.g., used device, physical position, available devices including software agent

  5. Composition of MPEG-UD CUD (Customized Usage Description) CUD Engine UD (User Description) CD (Context Description) SD (Service Description)

  6. Terms & Definitions • UD (User Description) : • contains static and dynamic properties about one or more users, information about the user history, preferences, security and so on • CD (Context Description) : • describes the environmental situation in which the user is located, e.g., used device, physical position, environmental variables (temperature, moisture, etc), security • SD (Service Description) : • contains pertinent information (including security) about the services that are offered by the applications • CUD (Customized Usage Description) : • represents structured and enriched description which may include relationships, distributed environments, and tracking of the finding customization • CUD engine (Out of the scope of the standard): • operated by the service provider , the user or third party

  7. MPEG-UD Sequence Diagram: UD case Application layer UD Management CUD Engine User UD update UD request UD CUD

  8. MPEG-UD System Architecture: UD case User Application layer CUD (Customized Usage Description) CUD Engine UD (User Descriptions) UDmanagement UD database UD update UD request

  9. Terms & Definitions • UD/SD/CD Managements : • entities that provide functionalities of filtering, accessing, storing, editing, updating, and securing UD/SD/CD • Application layer: • entity to provide a collection of services to the use

  10. MPEG-UD Sequence Diagram Application layer UD Management CD Management SD Management CUD Engine User UD update UD request UD CD update CD request CD SD update SD request SD CUD

  11. MPEG-UD System Architecture User Application layer CUD (Customized Usage Description) CUD Engine UD (User Descriptions) CD (Context Descriptions) SD (Service Descriptions) SDmanagement UDmanagement CDmanagement UD database CD database SD database UD update UD request CD update CD request SD update SD request

  12. 19 Use Cases for MPEG-UD (1/2) • Scalable User Description • Providing User-Customized Contents • Response to User's Emotion • Personalized Car Navigation • Casual News readers • Professional News Editors • Infotainment • MEdical Distributed Utilization of Services & Applications • Learning from User interaction with complex data for Recommendation • Jini: An intelligent chatting partner in the smart phone

  13. 19 Use Cases for MPEG-UD (2/2) • Learn&Motiv: eLearning system based on the user’s motivation • TransTour: Automatic Translation system for tourists • AnyAccess: Accessibility to the smart world • Damaged Vehicle • Incident Report • Online Shopping • Car as a User • Scalable Remote User Interface • Visual communication

  14. Requirements for MPEG-UD (1/2) • Elementary Components • Security & Privacy & Traceability • Independence • Access, Modularity, and Adaptivity • Functionality • Delivery • Device • Environment • Social Networks

  15. Requirements for MPEG-UD (2/2) • User Interaction with Multimedia • Usage by Recommendation Systems • Traceability of user behavior with different kind of data • Categorization of Specific Actions • Classification of user experience when interacting with application • Enabling data mining and knowledge discovery • Multi-domain identification of users • Carriage of Records

  16. Timeline

  17. MPEG-UD Contacts

  18. 감사합니다. 18

  19. MPEG-UD Workshop Date: Wednesday 23rd January 2013 Place: CICG, room 6 (requirements room) Agenda 19

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