THE HUMAN BODY AS THE HUMAN BODY AS TOUCH SCREENTOUCH SCREEN

Presented by:-Presented by:-Suraj DuhanSuraj Duhan

LC08570LC08570EECE-7EECE-7thth sem sem

CONTENTSCONTENTS

AbstractAbstract IntroductionIntroduction What is SkinputWhat is Skinput Principle of skinputPrinciple of skinput How it worksHow it works AdvantagesAdvantages ApplicationsApplications Future ImplicationsFuture Implications ConclusionConclusion

ABSTRACTABSTRACT Devices with small sized have some Devices with small sized have some

limitations.limitations. Since can’t make buttons and screens larger Since can’t make buttons and screens larger

without loosing benefit of small sized.without loosing benefit of small sized.

The main reason for appropriating the The main reason for appropriating the Human body as an input device are:Human body as an input device are:

Easily accessible by hands.Easily accessible by hands.

IntroductionIntroduction Skinput allows the user to simply tap Skinput allows the user to simply tap

their skin in order to control audio their skin in order to control audio devices, play games, make phone devices, play games, make phone calls.calls.

It uses the sensors to determine It uses the sensors to determine where the user taps on their skin.where the user taps on their skin.

What is SkinputWhat is Skinput Giving input through skin.Giving input through skin. Was developed by Was developed by Chris Harrison Chris Harrison

(Mellon Univ.)(Mellon Univ.) Skinput turns the body into a touch Skinput turns the body into a touch

screen surface.screen surface.

Principle of SkinputPrinciple of Skinput It listens to vibrations in your body.It listens to vibrations in your body. Skinput also responds to the various Skinput also responds to the various

hand gestures.hand gestures. The arm is an instrument.The arm is an instrument.

Technology UsedTechnology Used Skinput, the system is a combination Skinput, the system is a combination

of two technologies: the ability to of two technologies: the ability to detect the ultra low frequency sound detect the ultra low frequency sound and the ‘pico’ projectors.and the ‘pico’ projectors.

Pico projector applies the use of Pico projector applies the use of projector in a hand held device.projector in a hand held device.

An acoustic detector detects the An acoustic detector detects the ultra low frequency.ultra low frequency.

Pico ProjectorPico Projector It is also known as pocket projector It is also known as pocket projector

or mobile projector.or mobile projector. The system comprises three main The system comprises three main

parts:parts: The Laser light sourceThe Laser light source The Combiner opticsThe Combiner optics The Scanning mirrorThe Scanning mirror

Bio-AcousticsBio-Acoustics Study of sound waves inside living Study of sound waves inside living

body.body. When a finger taps the skin, several When a finger taps the skin, several

distinct forms of acoustic energy are distinct forms of acoustic energy are produced.produced.

Longitudinal WavesLongitudinal Waves Transverse WavesTransverse Waves

Longitudinal Waves:Longitudinal Waves:

These waves travel through the rigid These waves travel through the rigid tissues of the arm, exciting the waves, tissues of the arm, exciting the waves, which can respond to the mechanical which can respond to the mechanical vibrations by tapping on a rigid body.vibrations by tapping on a rigid body.

Transverse Waves:Transverse Waves:Tapping on soft regions of the arm creates Tapping on soft regions of the arm creates higher amplitude transverse waves.higher amplitude transverse waves.

Bio-Acoustics: Sensing Bio-Acoustics: Sensing These signals need to be sensed and These signals need to be sensed and

worked upon.worked upon. This is done by wearing the wave This is done by wearing the wave

sensor arm band.sensor arm band.

Percent AccuracyPercent Accuracy

AdvantagesAdvantages No need to interact with the gadget No need to interact with the gadget

directly.directly. Don’t have to worry about keypad.Don’t have to worry about keypad. People with larger fingers get trouble People with larger fingers get trouble

in navigating tiny buttons and in navigating tiny buttons and keypads on mobile phones. With keypads on mobile phones. With skinput this problem disappears.skinput this problem disappears.

ApplicationsApplications MobileMobile GamingGaming I-podsI-pods An aid to paralyzed persons.An aid to paralyzed persons.

Future ImplicationsFuture Implications With small sized Pico-projectors, With small sized Pico-projectors,

Skinput oriented systems, are an Skinput oriented systems, are an emerging trend.emerging trend.

Research is carried out for smaller Research is carried out for smaller wrist watch sized sensor arm band.wrist watch sized sensor arm band.

ConclusionConclusion I have presented the approach to I have presented the approach to

appropriating the human body as an appropriating the human body as an input interface.input interface.

I described a wearable bio-acoustic I described a wearable bio-acoustic array used to detect and localize finger array used to detect and localize finger tap on the hand and the forearm.tap on the hand and the forearm.

This system performs well even when This system performs well even when the body is in motion.the body is in motion.

THANK YOUTHANK YOU

Presented by:-Presented by:-Suraj DuhanSuraj DuhanLC08570LC08570EECE-7EECE-7thth sem sem