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ReachMedia on-the-move interaction with everyday objects Assaf Feldman, Pattie Maes, Sajid Sadi and Emmanuel Mugia The Media Laboratory Massachusetts Institute of Technology Question Can we merge the virtual world with the physical world? An Interface Problem Not enough pixels

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ReachMedia

on-the-move interaction with everyday objects

Assaf Feldman, Pattie Maes, Sajid Sadi and Emmanuel Mugia

The Media Laboratory

Massachusetts Institute of Technology


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Question

Can we merge the virtual world with the physical world?


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An Interface Problem

Not enough

pixels

Too many clicks


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Requirements

  • Natural and seamless interaction

  • Hands and eyes free

  • Socially acceptable


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IO

Input – RFID,

Gestures,Keypad.

Output –audio,text

The smart phone as a general interface



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Gestures

Slight flick for menu navigation

Previous

Next

Select

- Socially acceptable.



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RFID

Object ID, user input

MITe

receiver

Audio & XML Content

  • Audio output:

  • Earcons

  • Voice menus

Context Manager

Interaction mediation via Mobile device

Multi modal interface via accessories

RFID Augmented physical objects


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Hardware - Sensors

  • RFID

    • Cheap

    • Great Context

  • Accelerometers (House_n MITEs)

    • Cheap

    • Small

    • Low power


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Signal processing

  • 25 features - Time domain feature extraction

    • Cross correlation (3)

    • Power (3)

    • Turning points (18)


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Classification

  • Online (Real Time) classification

  • Good accuracy using Naïve Bayes and HMMs

  • Preliminary results ~98% accuracy:


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The big picture

  • Integrate digital world (information & services) and physical world (physical objects/environment)

  • Make interfaces more responsive and proactive (objects & environment monitor user and (proactively) present information & services relevant to user’s current needs/interests)



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