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Location-Based Multimedia Collection & Presentation Trends

Research presentation on mobile trends, data collection, sharing, and user motives. Explore location-based services and user relevance aspects.

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Location-Based Multimedia Collection & Presentation Trends

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  1. Mobile collection of location-based multimedia Research presentation 27.5.2010 School of Computing University of Eastern Finland Prof. Pasi Fränti

  2. Mobile trends: internet & location • Nokia: 50% of its multimedia phones will have GPS by 2010-12. • Gartner: 75%has GPS by the end of 2011.

  3. MOPSI data collection and service Data collection by multimedia phone Data sharing via www/wap

  4. Data collection in MOPSI system www Other users: MOPSI webpage Service directory Data collector: User: Pasi User collection N 62.63 E 29.86 GPS Last skiing of winter

  5. Motives for sharing data • Pragmatic: • Need for information • Share information to help others • Social: • Publish creative results • Getting feedback • Social interaction

  6. Four aspects of relevance User: Pasi • Content • Time • Location • Network skis Content of picture snow Last skiing of winter Date: 4.4.2010Location: N 62.63 E 29.86Arppentie 5, Joensuu Keywords or informal description

  7. Four aspects of relevance User: Pasi • Content • Time • Location • Network Not expected in July Last skiing of winter Date: 4.4.2010Location: N 62.63 E 29.86Arppentie 5, Joensuu Date

  8. Four aspects of relevance User: Pasi • Content • Time • Location • Network Exact coordinates Last skiing of winter Date: 4.4.2010Location: N 62.63 E 29.86Arppentie 5, Joensuu Address for usability

  9. Four aspects of relevance • Content • Time • Location • Network Relevance of data is defined by social or other network User: Pasi

  10. Four aspects of relevance 1. Content 4. Social network • Keywords: skis, forest, snow • Informal description • Relevance defined by the network of the user User: Pasi 2. Time • Date and time (not expected in July) 3. Location • Exact coordinates • Address for usability Last skiing of winter Date: 4.4.2010Location: N 62.63 E 29.86Arppentie 5, Joensuu

  11. Using location in MOPSI • Browse data collection on a map • Show location of other users • Track the movements of the user • Filter results from the service directory

  12. Access to photo collectionMap view

  13. Access to photo collectionTimeline view

  14. Mobile interface of MOPSI service 1. Location • Exact coordinate • Nearest address • GPS status 2. Search • Query word • Suggested keywords from previous searches

  15. MOPSI search directory Database results Routing to the target Search engineresults

  16. Photos by categories in MOPSI

  17. Content description (Going to) sauna Singapore flier (no words needed) (no words needed)

  18. Description of pictures of people • People by their name or role: • Runner • Floorball player • Related to place: • Untung / STMIK • Young Andrei • My son Amir • Among the pictures of people, 31% (21/68) has some kind of identity.

  19. Description of events • Content or location not enough. • Description adds to the relevance. • Examples: • Work: ecse, abi, mopsi meeting, ubiikki • Running competition: Åland half marathon • Actions attached with feelings: quality time in skiing elevator.

  20. Location of travel photos • Not easily recognized from content. • Can be concluded from GPS data. • Descriptions are used anyway: • Locations as such: Clarke Quay, Geger beach, Suceva, Tahkovuori and Aholansaari (location • With additional details: Petronas Towers,Heureka, Singapore flier, Olavin linna. • With additional feelings: Musta Pekka mutkan takana (Black Pete behind the curve)

  21. Comparison with Picasa and Flickr

  22. Photo distribution in MOPSI

  23. Technical problems Asynchronous problem (2) Asynchronous problem (1) Interrupted transmission Low illumination

  24. Thank you Time for questions!

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