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TeleMorph & TeleTuras: Bandwidth determined Mobile MultiModal Presentation. Student: Anthony J. Solon Supervisors: Prof. Paul Mc Kevitt Kevin Curran School of Computing and Intelligent Systems, Faculty of Informatics, University of Ulster, Magee. Objectives of Research.

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TeleMorph & TeleTuras: Bandwidth determined Mobile MultiModal Presentation

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TeleMorph & TeleTuras:Bandwidth determined Mobile MultiModal Presentation

Student: Anthony J. Solon

Supervisors: Prof. Paul Mc Kevitt

Kevin Curran

School of Computing and Intelligent Systems,

Faculty of Informatics,

University of Ulster, Magee.


Objectives of Research

  • To develop a system, TeleMorph, that dynamically morphs between output modalities depending on available network bandwidth:

    • Wireless system’s output presentation (unimodal/multimodal) depending on the network bandwidth available

    • Implement TeleTuras, a tourist information guide for the city of Derry

    • Receive and interpret questions from the user

    • Map questions to multimodal semantic representation

    • Match multimodal representation to database to retrieve answer

    • Map answers to multimodal semantic representation

    • Query bandwidth status

    • Generate multimodal presentation based on bandwidth data


Wireless Telecommunications

  • Generations of Mobile networks:

    • 1G - Analog voice service with no data services

    • 2G - Circuit-based, digital networks, capable of data transmission speeds averaging around 9.6K bps

    • 2.5G (GPRS) - Technology upgrades to 2G, boosting data transmission speeds to around 56K bps. Allows packet based “always on” connectivity

    • 3G (UMTS) - digital multimedia, different infrastructure required, data transmission speeds from 144K-384K-2M bps

  • Positioning Systems:

    • GPS

    • DGPS

    • GLONASS

    • GSM


Mobile Intelligent MultiMedia Systems

  • SmartKom

    • Mobile, Public, Home/office

    • Saarbrucken, Germany

    • Combines speech, gesture and facial expressions on input & output

    • Integrated trip planning, Internet access, communication applications, personal organising

  • VoiceLog

    • BBN technologies in Cambridge, Massachusettes

    • Views/diagrams of military vehicles and direct connection to support

    • Damage identified & ordering of parts using diagrams

  • MUST

    • MUltimodal multilingual information Services for small mobile Terminals

    • EURESCOM, Heidelberg, Germany

    • Future multimodal and multilingual services on mobile networks


Intelligent MultiMedia Presentation

  • Flexibly generate various presentations to meet individual requirements of:

    1) users, 2) situations, 3) domains

  • Fine-grained coordination of communication media and modalities

  • Key research problems:

    • Semantic Representation

    • Fusion, integration & coordination

    • Synchronisation


  • Semantic representation - represents semantics

    • Frame-based representations:

      -CHAMELEON

      -REA

    • XML-based representations:

      -SmartKom

      -MUST

  • Fusion, integration & coordination of modalities

    • Integrating different media in a consistent and coherent manner

    • Multimedia coordination leads to effective integrated multiple media in output

  • Synchronisation of modalities

    • Time threshold between modalities

      E.g. Input - “What building is this?”, Output - “This is the Millenium forum”

    • Not synchronised => side effect is contradiction


Intelligent MultiMedia Presentation Systems

  • Automatically generate coordinated intelligent multimedia presentations

  • User-determined presentation

  • COMET

    • COordinated Multimedia Explanation Testbed

    • Generates instructions for maintenance and repair of military radio receiver-transmitters

    • Coordinates text and 3D graphics of mechanical devices

  • WIP

    • Intelligent multimedia authoring system

    • presents instructions for assembling/using/maintaining/repairing devices (e.g. espresso machines, lawn mowers, modems)

  • IMPROVISE

    • Graphics generation system

    • constructive/parameterised graphics generation approaches

    • Uses an extensible formalism to represent a visual lexicon for graphics generation


Intelligent MultiMedia Interfaces & Agents

  • Intelligent multimedia interfaces

    • Parse integrated input and generate coordinated output

    • CUBRICON

      • Calspan-UB Research center Intelligent CONversationalist

      • Air Force Command and Control

      • Generates & recognises Speech; natural language text; displays graphics; interprets gestures made with a pointing device

  • Intelligent multimedia agents

    • Embodied Conversational Agents

    • Natural human communication - speech, facial expressions, hand gestures,

      & body stance

    • COLLAGEN

      • COLLaborative AGENt

      • object-oriented Java middleware for building collaborative interface agents

      • MIT Media Laboratory work on embodied conversational agents


Project Proposal

  • Research and implement a mobile intelligent multimedia presentation system called TeleMorph

  • Dynamically generates a multimedia presentation determined by the bandwidth available

  • TeleTuras tourist navigation aid providing testbed for TeleMorph incorporating:

    • route planning, maps, spoken presentations, graphics of points of interest and animations

    • Output modalities used

    • Effectiveness of communication

  • TeleTuras examples:

    • “Where is the Millenium forum?”

    • “Take me to the GuildHall”

    • “What buildings are of interest in this area?”

    • “Is there a Chinese restaurant in this area?”


Architecture of TeleMorph


Comparison of Intelligent MultiMedia Systems


Comparison of Mobile Intelligent MultiMedia Systems


Prospective Tools

  • Development language - J2ME (Java 2 Micro Edition)

  • Speech input/output - Java Speech API – IBM’s implementation of JSAPI “speech for Java”

    • US & UK English, French, German, Italian, Spanish, and Japanese

    • Java Speech API Markup Language (JSML)

    • Java Speech API Grammar Format (JSGF)

  • Positioning system - GPS (Global Positioning System) provides the accurate location information necessary for a LBS (Location Based Service)

  • Graphics input/output - The User Interface (UI) defined in J2ME is logically composed of two sets of APIs:

    • Low-level UI API

    • High-level UI API


Project Schedule


Conclusion

  • A Mobile Intelligent MultiModal presentation System called TeleMorph will be developed

  • Dynamically morphing between output modalities depending on available network bandwidth

    • Bandwidth and Device determined Mobile MultiModal presentation

  • TeleTuras will be used as a testbed for TeleMorph

  • Corpora of questions to test TeleTuras (prospective users/tourists)


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