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SRI SIDDHARTHA ACADEMY OF HIGHER EDUCATION
(DEEMED TO BE UNIVERSITY, Accredited A+ Grade by NAAC)
Sri Siddhartha Institute of Technology-Tumakuru
(A CONSTITUENT COLLEGE OF SSAHE)
Department of Electronics & Communication Engineering
(ACCREDITED BY NBA)
Technical Seminar (EC8TS1)
on
“SKINPUT TECHNOLOGY”
Presented By:
Adarsha N (20EC004)
8th semester
Under the Guidance of:
C R Mohan Kumar B.E, M.Tech,(Ph.D)
Assistant Professor
Dept. of ECE, SSIT
27/03/2024

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OUTLINE
 INTRODUCTION
 LITERATURE SURVEY
 METHODOLOGY / TECHNOLOGY
 ADVANTAGES AND LIMITATIONS
 APPLICATIONS
 CONCLUSION
 REFERENCES

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INTRODUCTION
 Skinput is a technology which uses the surface of the skin as an input device.
 To capture the acoustic information, developed a wearable armband that is
noninvasive and easily removable.
 Skinput allows the user to simply tap their skin in order to control audio
devices, play games, make phone call.
 It uses the sensors to determine where the user tap on their skin.
 It listens to vibrations in your body.
 Skinput also responds to the various hand gestures.

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LITERATURE SURVEY
Sl. No. TITLE of the Paper
AUTHORs
& YEAR OBSERVATIONS
01 Skinput: Appropriating the Skin as an
Interactive Canvas.
Desney Tan and Dan Morris,
8, august 2022,
communications of the ACM,
vol. 54.
• Specifically resolve the location of finger taps
on the arm and hand using a novel sensor array,
worn as an armband . This provides an on body
finger input system that is always available,
naturally portable and minimally invasive.
when coupled with the pico-projector a fully
interactive graphical interface can be rendered
directly on the body.
02 The Sound of One Hand: A Wrist-
mounted Bio acoustic Fingertip
Gesture Interface.
Amento B, Hill W and Terveen L,
April 2021
• A novel interaction technique that utilizes the
bio-acoustic properties of the human hand.
Gentle fingertip gestures such as tapping,
rubbing, and flicking produce quiet sounds that
travel through bone conduction the hand.

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Sl. No. TITLE of the Paper AUTHORs
& YEAR
OBSERVATIONS
03 Vision-based Interpretation of Hand
Gestures for Remote Control of a
Computer Mouse.
Argyros A and Lourakis M I
A, 2021
• The vision-based interface that allows for
controlling a computer mouse through 2D
and 3D hand gestures.
• It builds upon previous work that enables the
detection and tracking of multiple hands
within the view of a potentially moving
camera system.
04 Hambone: A Bio-Acoustic Gesture
Interface.
Deyle T, Palinko S, Poole E S
and Starner T, 2019
• Hambone is introduced as a lightweight,
unobtrusive system designed for gesture
based mobile device interaction. It affords
quick access, subtlety, and multitasking
capabilities.

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TECHNOLOGY
Arm band detects the acoustic signals and convert them to electronic signals which
easily enable the users to perform simple tasks as browsing through a mobile phone
menu, making calls, controlling portable music players.
Figure 1: Skinput technology

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 The Skinput sensor senses, analyze, and classify bioacoustics signals.
 Tap on the arm translates through sensors into an instruction on a menu.
 The graphic display appears on arm or hand.
 The display is set up to be located, and from then on it’s like using a cell phone.
 Arm is better, because the graphic display on arm is about 200 times bigger.
 Can use Skinput to control devices you carry, like a dashboard setup.

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Pico-Projector
 Pico projector applies the use of projector in a hand held device.
 An acoustic detector detects the ultra low frequency.
 A very small projector, basically used in gadgets.
 Simply by tapping on our forearm skin’s can make calls or send a message.
Figure 2: Combiner optics

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Armband
 The armband used in the skinput contains series sensors and embedded Pico-
projector.
 The arm band provides attractive Graphical user interface (GUI) along with all
modern features to navigate within different menus.
Figure 3: Armband Device

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Bio- Acoustic
 Study of sound waves inside living body.
 When a finger tap the skin, several distinct forms of acoustic energy are produced.

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ADVANTAGES AND LIMITATIONS
ADVANTAGES
 Hands-free operation
 Don’t have to worry about keypad
 Portable and wearable
 Accessibility
LIMITATIONS
 Limited input options
 Arm band is large
 Provide Solely five buttons

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APPLICATIONS
 Healthcare
 Fitness and wellness
 Gaming and entertainment
 Industrial and military applications

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CONCLUSION
 Skinput allows the human body as an input surface.
 It describes a novel, wearable bio-acoustic sensing array that we built into
an armband in order to detect and localize finger taps on the forearm and
hand.
 This system performs well even when the body is in motion.

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REFERENCES
1. Desney Tan and Dan Morris, Skinput: Appropriating the Skin as an Interactive Canvas by
Chris Harrison, communications of the ACM, vol. 54, no. 8, august 2022.
2. Amento B, Hill W and Terveen L, “ The Sound of One Hand: A Wrist-mounted Bio-
acoustic Fingertip Gesture Interface” was published on 20 April 2021.
3. Argyros A and Lourakis M I A, “Vision-based Interpretation of Hand Gestures for
Remote Control of a Computer Mouse” was published in the year 2021.
4. Deyle T, Palinko S, Poole E S and Starner T, “Hambone: A Bio-Acoustic Gesture
Interface” was published in the year 2019.
5. Erol A, Bebis G, Nicolescu M, Boyle R D and Twombly X, “Vision-based hand pose
estimation: A review” was published in the year 2019.

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6. Chris Harrison, Desney Tan, and Dan Morris, “Appropriating the Body as an Input
Surface” was published in the year 2018.
7. Sanjay Kumar Sahay and Kshitij Verma. “Human Body as a Touch Interface” was
published in the year 2017.
8. Joaquim Jorge and João Rodrigues”, “Skin-Based Interfaces for Interactive Devices”
was published in the year 2017.
9. Grimes, D., Tan, D., Hudson, S.E., Shenoy, P., and Rao, R. Feasibility and pragmatics of
classifying working memory load with an electroencephalograph, in the year 2015.
10. Harrison, C., and Hudson, S.E. Scratch Input: Creating Large, Inexpensive, Unpowered
and Mobile finger Input Surfaces in the year 2015.

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THANK YOU