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TRANSCRIPT
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SKINPUT:
APPROPRIATING THE BODY AS AN
INPUT SURFACE
Under Guidance ofMrs. PadmavathiLecturer of CSE
S.R.S.I.T
Presented By
AnLKJNBH
USN:-1RC08CS004
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Plan of the Talk Evolution of Touch Screen
What it is?
How Skinput Works?
Overview
User Research
Advantages
Conclusion Future Enhancement
References
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PREVIOUS WORK
Devices with significant computational power and capabilities can nowbe easily carried on our bodies.
Small size less comfort
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A novel input technique that allows
the skin to be used as a finger input
surface.
To capture this acoustic information,
they developed a wearable armband that
is non-invasive and easily removable
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HOW SKINPUT WORKS
Data was then sent from the client over a local socketto our primary application, written in Java.
Key function of application are:
Live visualization.
Segmentation of data stream.
Classification of Input instances.
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Skinputis a Bio-acoustic Sensing Technique that allows the bodyto be used as an Input Surface.
Overview : Skinput
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Finger Taps on Skin Creates Several Forms of Acoustic Energy
Overview : Skinput Continued
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Transverse Wave Propagation:Finger Impacts Displace The Skin Creating Transverse
Waves
Overview : Skinput Continued
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Overview : Skinput Continued
Longitudinal Wave Propagation: Finger Impacts
Create longitudinal(Compressive) waves that causeinternal structures to vibrate. This in turn Createslongitudinal Wave Forms outwards from the bonetowards skin.
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Overview : Skinput ContinuedOutside View Inside View
A Wearable Bio-acoustic Sensing Array Built into an Armband.
Sensing Elements detect vibrations transmitted through the body. The
two sensor packages shown above each contain five specially weighted
cantilevered piezo films responsive to a particular frequency range.
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Overview : Skinput Continued
Finger Taps on Arm Generated Signals
Variation in Bone Density, Size & Mass as well as filtering
effects from Soft Tissues & Joints Mean Different Locations
that are acoustically distinct.
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Overview : Skinput ContinuedRecognizing Input
Locations Finalizing Input Points
Designed Software Listens for impacts & Classifies them. Then
Different Interactive Capabilities are bounded on different
regions.
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User Research: SkinputPlaying Tetris: Using Fingers
as Control Pad
Active also in Movable
Environment
Using Fingers,Palms,Arms as Control Any Computing Device
Can be run.Response is real time,robust & remains functional
while walking & Accuracy level is 99.5%()
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User Research: Skinput
Using a Pico Projector On the Armband Skinput can also beused as an Output Surface
Using A mobile Phone by Skinput
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User Research: Skinput
Projection of a DynamicGraphical Interface
Finger Inputs are Classified &processed in Real Time
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ADVANTAGES
UI will appear much larger than on screen
Can be used without a visual screen
Ideal for anyone with little to or no eyesight
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CONCLUSION
Since we cannot simply make buttons and screens larger it will
be an alternative approach
Skin put's are not available yet, but could be in the next few
years.
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Future Enhancement
Extensive Research is going on Currently on Skinput to
make the armband more smaller.
Incorporate More Devices with This System.Extend accuracy level.
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References : Skinput http://research.microsoft.com/en-
us/um/redmond/groups/cue/skinput Official HomePage of Skinput.
http://www.chi2010.orgHome Page of Computer &Human Interactions Conference, April,2010.
http://www.chrisharrison.net/projects/skinputPersonal Homepage of Chris Harrison.
http://research.microsoft.com/en-us/um/people/danHomepage of Dan Morris.
http://research.microsoft.com/en-us/um/people/desneyHomepage of Desney Tan.
This paper was Presented at Computer & Human InteractionsConference(CHI-2011) at April,2011, Atlanta,USA & Published by ACM.
http://research.microsoft.com/en-us/um/redmond/groups/cue/skinputhttp://research.microsoft.com/en-us/um/redmond/groups/cue/skinputhttp://www.chi2010.org/http://www.chrisharrison.net/projects/skinputhttp://research.microsoft.com/en-us/um/people/danhttp://research.microsoft.com/en-us/um/people/desneyhttp://research.microsoft.com/en-us/um/people/desneyhttp://research.microsoft.com/en-us/um/people/desneyhttp://research.microsoft.com/en-us/um/people/desneyhttp://research.microsoft.com/en-us/um/people/desneyhttp://research.microsoft.com/en-us/um/people/danhttp://research.microsoft.com/en-us/um/people/danhttp://research.microsoft.com/en-us/um/people/danhttp://www.chrisharrison.net/projects/skinputhttp://www.chi2010.org/http://research.microsoft.com/en-us/um/redmond/groups/cue/skinputhttp://research.microsoft.com/en-us/um/redmond/groups/cue/skinputhttp://research.microsoft.com/en-us/um/redmond/groups/cue/skinput -
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