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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