88457569 Eye Gaze Communication Ppt

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    BYBYCH. RAJITHACH. RAJITHA

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    INTRODUCTIONINTRODUCTION

    Communication System

    For Disabled

    Controlled System

    Direct-select Method

    Vision-controlled

    Communication System.

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    Who are the users of thisWho are the users of thiseye gaze communicationeye gaze communication

    system?system?Lack f Han!s r "oiceCere#ra$ %a$sy

    &'ina$ Cor! In(uries

    Brain In(uries

    Brainstem &trokes

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    PARTS OF THE EYE GAZEPARTS OF THE EYE GAZE

    SYSTEMSYSTEMGOOD CONROL OF ONE E EMON!"OR SCREEN

    E E G#$E CON"ROL MON!"OR

    MON!"OR "R# #ND #RM

    V!DEO C#MER#

    LED C#MER# LENS #ND %R#C&E"

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    WORKING OF THEWORKING OF THEEYE GAZE SYSTEMEYE GAZE SYSTEM

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    Ho/ can /e runHo/ can /e run

    this eye gazethis eye gazesystem?system?

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    THE MAIN MENUTHE MAIN MENU The ain enu a''ears on the screen as soon

    as the user com'$etes a 012secon! ca$i#ration'roce!ure.

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    THE PHRASE PROGRAMTHE PHRASE PROGRAM The Phrase progra !

    a"o#g $%&h &he spee'h

    s(#&hes%)er! pro*%+es

    ,-%'. 'o -#%'a&%o#s

    /or #o#0*er1a" -sers2

    The Phrases progra

    s&ores -p &o 345

    essages! $h%'h 'a# 1e

    'o pose+ a#+ eas%"(

    'ha#ge+ &o s-%& &he

    -ser2

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    THE TELEPHONE PROGRATHE TELEPHONE PROGRA3on2,er#a$ users may access the s'eech

    synthesizer

    to ta$k on the 'hone

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    RUN SECOND PCRUN SECOND PC #s a 'eyboard

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    #s a mouse controller

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    LIGHTS 6 APPLIANCES PROGRLIGHTS 6 APPLIANCES PROGR

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    W%&h Op&%o#s O/ The E(eW%&h Op&%o#s O/ The E(eGa)eGa)eA User Ca#7A User Ca#7BE AT TWO SITES88

    BE A KEYBOARD

    SPEAK through a s'eech synthesizer

    CONTROL a''$iances

    DIAL an! ans/er a 'hone

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    CALIBRATION: #d(ust to a ne) user in about *+

    seconds.TYPEWRITER: "y,e )ith one o our 'eyboards then

    ,rint or s,ea'.

    READ TEXT: "urn ,a/es on the com,uter screen byloo'in/ at 0u,0 or 0do)n0.

    GAMES: 1lay /ames t)o 01addle0 /ames ,lus

    Solitaire and Slot Machine.TEACH SCREENS: "each ne) users )ith sim,li ied

    screens.

    A Bas%' E(e ga)eA Bas%' E(e ga)e'a#7'a#7

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    OPERATIONALOPERATIONALEN9IRONMENTEN9IRONMENT

    "he Eye /a2e System must be

    o,erated in an en3ironment

    in rared li/ht.

    "he System )or's best a)ay rom )indo)s and in a room

    lit )ith luorescent or mercury-

    3a,or li/hts )hich are lo) inin rared.

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    !t is a so,histicated system )ith

    a hi/h trac'in/ rate and e4cellent

    )or'in/ ran/e.

    !t can accommodate ra,id or

    in3oluntary head mo3ements

    !ntelli/a2e uses the latest

    camera technolo/y 3ery

    so,histicated ima/e ,rocessin/

    and calibration methods

    I#&e""%Ga)e IG0:;I#&e""%Ga)e IG0:;

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    AD9ANTAGESAD9ANTAGES It he$'s the user to generate te4t on a com'uter.

    Can construct /or!s an! sentences that can #e

    s'oken a$ou! #y the system.

    It he$'s the user to ans/er5!ia$ a ca$$

    It he$'s the user to o'erate his en,ironment.

    The user can #e a key#oar!5mouse an! o'erate a

    system.

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    DISAD9ANTAGESDISAD9ANTAGES The high cost of eye tracking e+ui'ment

    The $imitation that gaze communication

    a''$ications may on$y /ork /ith a 'articu$ar

    !e!icate! eye tracking !e,ice

    6ina$$y that eye tracking !e,ices are often

    har! to use an! re+uire e4'erts to o'erate

    them.

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    APPLICATIOAPPLICATIONSNS5Neurosciences 6Neuro,sycholo/y

    5Vision Research

    5E4,erimental 1sycholo/y

    5Co/niti3e 1sycholo/y

    51sycholin/uistics

    51sychiatry 6Mental 7ealth

    5Robotics - remote 3ision control

    5Video and arcade /ames

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    FUTURE WORK FUTURE WORK

    5"otally Free 7ead Motion

    5 #utomatic Eye #c8uisition

    5%inocular Eye trac'in/

    57i/h Ga2e ,oint "rac'in/

    5 #ccuracy

    5Easy 9ser Calibration

    The Eye gaze System’s Eye !""!#e$%&'

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    CASE STUDIESCASE STUDIES

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    REFERENCESREFERENCES*. Carolann Cormier MS CCC-SL1 #"1. Establishing an Encoded

    Eye Gaze Communication System . Retrie3ed rom))).connsensebulletin.com6eye/a2e.html

    :. 7eartland #E# **. Developing an Eye Gaze CommunicationSystem . Retrie3ed rom ))).aea**.'*:.ia.us6att6att;strate/ies.htm

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    CONCLUSIOCONCLUSIONNThe main reason for eye-gaze based user interfaces

    being attractive is that the direction of the eye-gaze can

    express the interests of the user-it is a potential porthole

    into the current cognitive processes-and communication

    through the direction of the eyes is faster than any other

    mode of human communication.

    -Y- % W-R77 Run a com'uter /ithyour -Y-&77

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