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The role of context in

The role of context in. Dag Elgesem & Dept. of Information Science and Media. in image interpretation. & Joan Nordbotten Media Science, University of Bergen. 1. Mobile Phone Visual Queries. Image + GPS + time. 3. Resolving Ambiguity. Our approach: based on: Object identification

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The role of context in

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  1. The role of context in Dag Elgesem & Dept. of Information Science and Media

  2. in image interpretation & Joan Nordbotten Media Science, University of Bergen

  3. 1 Mobile Phone Visual Queries Image + GPS + time

  4. 3 Resolving Ambiguity Our approach: based on: • Object identification • Location information • Intention probabilities

  5. 5 CONTEXT The information that must be common knowledge between user and system for communication to succeed.

  6. Events, history Probalilities 7 MMIR:Mobile Multi-modal Information Retrieval Known objects MMIR ..... ......

  7. 2 But, what is the question? • Foreground/background: • The sailboat? Statsraad Lemkul • The wharf? Bryggen i Bergen • Whole/component: • The cathedral? Nidaros Domkirken • The statues?

  8. 4 Visual query interpretation MMIR Decision Tree p1 Statsraad Lemkul ... Bryggen ... p2 p3 Other

  9. 6 Elements of common knowledge • Object representation • Image structures –> real world objects • Interpretation options • Option probilities

  10. 8 Summary Given • A set of non-ambigous images with • Location(s) for source photos and • An effort value for each location Than • Map query object(s) to stored images • Determine probability of intended query

  11. Context Aware Image management VERDIKT: pr.nr.

  12. CAIM web-site: http://caim.uib.no

  13. Thank you for your interest Joan@infomedia.uib.no

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