Wearable Computer

Содержание

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INTRODUCTION A “Wearable Computer” is a computer that could be worn

INTRODUCTION

A “Wearable Computer” is a computer that could be worn on

the body. Wearable computers could be anything from a small wrist mounted system to a bulky head mounted display as shown below:
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INTRODUCTION Wearable computers are especially useful for applications that require computational

INTRODUCTION

Wearable computers are especially useful for applications that require computational support

while the user's hands, voice, eyes, arms or attention are actively engaged with the physical environment.
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HISTORY 1991: Started the ”Wearable Computing Project” at MIT. 1995: World’s

HISTORY

1991: Started the
”Wearable Computing
Project” at MIT.
1995: World’s first covert


wearable computer – camera
and display concealed
in ordinary eyeglasses.
1997: PhD from MIT in
this field he himself had
invented.
Today, 2010: Works at
University of Toronto (OffSpring).

Steve Mann

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EVOLUTION IT ALL STARTED FROM 1980 PRESENT SCENARIO After its invention,

EVOLUTION

IT ALL STARTED FROM 1980

PRESENT SCENARIO

After its invention, Wearable Computer have

gone through 18 generations of development, with research going on at prestigious institutions like MIT, Georgia Tech and Carnegie Mellon University.
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TECHNOLOGY AND GADGETS What do you need for W.C.? 1. Head-mounted

TECHNOLOGY AND GADGETS

What do you need for W.C.?
1. Head-mounted display.
2. Camera

recording view.
3. Audio, e.g. speaker and mic.
4. Input device, e.g. keyboard.
5. The computer itself.
6. Network connection
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FEATURES Consistency : There is always a constant interaction between the

FEATURES

Consistency :
There is always a constant interaction between the computer and

the user and hence there is no need to turn the device on or off.
Multi-Tasking :
Wearable computer provides computational support even when the user’s hands, voice, eyes, or attention is actively engaged with the physical environment.
Mobility :
Wearable computers must go where the wearer goes. They are always on and their wearer can access them anytime.
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OPERATIONAL DETAILS Software: The commonly used Operating System on a wearable

OPERATIONAL DETAILS

Software:
The commonly used Operating System on a wearable computer

is the WOS (WearComp OS).
Redhat and GNU Linux can be run in close coordination as an Operating System too.
Hardware:
Display
Keyboard
Hard drive
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HARDWARE Display: The display device of a wearable computer is a

HARDWARE

Display:
The display device of a wearable computer is a head-mounted display

(HMD) unit with an earpiece.
Though there could be several other display devices intended for specific applications, HMD systems are of interest in the conversation of wearable computers.
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HARDWARE KeyBoard: A combination keyboard and mouse fits in the palm

HARDWARE

KeyBoard:
A combination keyboard and mouse fits
in the palm of your

hand.
The Twiddler2 is an enabling
technology of wearable computing.
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HARDWARE Camera Any small camera. – Ordinary web camera. – Custom

HARDWARE

Camera
Any small camera.
– Ordinary web camera.
– Custom made camera.
Suitable placement

Head, follows user’s gaze.
– Shoulder, more stable.
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NETWORK CONNECTION Benefits of having a network – Access to the

NETWORK CONNECTION

Benefits of having a network
– Access to the Internet.
– Communication.
Wireless

network connection
– WLAN, IEEE802.11b
– GPRS or UMTS (3G)
– Bluetooth
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POWER SOURCE Batteries add size, weight, and inconvenience to wearable computers.

POWER SOURCE

Batteries add size, weight, and inconvenience to wearable computers.
However,

there is no stopping to use to any of the miniature batteries, for example Lithium, Li-MnO2, Li-C, that are currently being used in electronic gadgets.
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APPLICATION Augmented Memory Face Recognition Finger Tracking Visual filter Navigation Wearable

APPLICATION

Augmented Memory
Face Recognition
Finger Tracking
Visual filter
Navigation
Wearable computer in a Wrist Watch
Wearable

computer in Shoe
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AUGMENTED MEMORY Elderly or people with poor memory. – Remember name

AUGMENTED MEMORY

Elderly or people with poor memory.
– Remember name and face

of people.
Image processing can recognize a face and map it to the person’s name and affiliation.
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VISUAL FILTER User wears non-transparent glasses with integrated displays, experiences the

VISUAL FILTER

User wears non-transparent glasses
with integrated displays, experiences
the world through

a camera.
Computer processed video stream.
– Enhance contrast.
– Adjust colors.
– Night vision.
– Enlarged view.
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WATCH WORKING ON LINUX Wrist watch running Linux and XFree86. Clock and video conferencing application.

WATCH WORKING ON LINUX
Wrist watch running
Linux and XFree86.
Clock and

video
conferencing
application.
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OTHER APPLICATIONS Military – Soldiers monitoring, health, equipment, etc. – Maps

OTHER APPLICATIONS

Military
– Soldiers monitoring,
health, equipment, etc.
– Maps and terrain.
Workers trining and

support
Architect
Researchers
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WEARABLE GAMING BodyPad - group of wearable sensors - turn a

WEARABLE GAMING

BodyPad
- group of wearable sensors
- turn a

person's arms and
legs into a joystick for
PlayStation or Xbox
fighting games.
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SMART SHOES The shoes records the amount of exercise a child

SMART SHOES

The shoes records the amount of exercise a child does

and converts it into television watching time
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ADVANTAGES Portability. Hands-free use. Comfortable. Always on for the task it

ADVANTAGES

Portability.
Hands-free use.
Comfortable.
Always on for the task it is designed.
Quick to access.
Fashionable.

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LIMITATIONS Equipment can be heavy. Expensive. Some Wearable Computers can consist

LIMITATIONS

Equipment can be heavy.
Expensive.
Some Wearable Computers can consist of a lot

of wiring.
Can cause irritation in heat.
Side-Effects such as Headaches.
It may become easier to get data on an individual if the item is lost / stolen.
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CONCLUSION The vision behind the concept of a wearable computer is

CONCLUSION

The vision behind the concept of a wearable computer is that

a mobile computer should not just be a machine that we put into our pocket when we plan on doing some office work while on the road.
Instead it will be an integral part of our every day outfit (hence wearable), always operational and equipped to assist us in dealing with a wide range of situations.