The document discusses the Leap Motion, a new motion sensing technology that allows users to control their computer through hand and finger gestures without touching a mouse or keyboard. It works by tracking finger movements within a hemispherical area to a precision of 0.01mm using infrared cameras and LEDs. Some key features and advantages discussed include its high accuracy, affordability, natural user interface, applications in gaming, robotics, healthcare and more. It is presented as an improved alternative to existing input systems like touch screens and Kinect.

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2. PRESENTED BY,
GUIDED BY,
Sanima.A
Mr. Mohammed Malik S8 IT
Lecture in CS Roll no:40
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3. CONTENTS
 INTRODUCTION
 EXISTING SYSTEMS
 LEAP & FEATURES
 ADVANTAGES
 APPLICATIONS
 CONCLUSION
 REFERENCES
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4. INTRODUCTION
 Leap is a breakthrough in computer interaction.
 By Michael Buchwald and DavidHolz
 Through this new technology we can say good bye
to Mouse & Keyboard.
 Leap Motion is a startup developing advanced
motion sensing technology for HCI
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5. Contd.
 It is a new way of interaction
 Motion detection – a process of detecting changes
in position of an object relative to surrounding
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6. EXISTING SYSTEMS
Touch screens
 Electronic visual display that user can control
 Touch screens can be simple or multi touchable
with one ore more fingers
 Direct interaction with what is displayed on screen
 No mouse or other input devices 6

7. Contd.
 Common device in game consoles, all in one
computers, tablet computers and smart phones
 Accurate interaction by users
 Dual touch screen which uses 2 screens either or both
are touch capable
 Multi touch identifies 2 or more points of contact
with surface
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8. Contd.
Disadvantages
 Accuracy- small movements of fingers may result in
large movements
 Users hand may obscure the screen
 Feeling of little electric shock when touch with wet
finger
 Screen have to be big enough for button pressing
 Screen will get dirty
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9. Kinect
 Motion sensing input device by Microsoft
 Launched in 2010
 Helps users interact with the Xbox 360 without
touching
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10. Contd.
 Natural user interaction using gestures and spoken
commands
 Build on software tech internally and a range
camera technology
 Interpret specific gestures using infrared projector,
a camera and special microchip
 Track the movements of objects and individuals 3D
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11. Contd.
 Full body motion sensing
Disadvantages
 Additional power supply and space requirements
 Suitable only for whole body tracking in a space the
size of a living room
 Slowness of identifying hand gesture
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12. Contd.
 Slow responses
 It is extremely pricy
 Sometimes doesn't catch your body movements
 Sometimes spoken commands are not followed
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13. LEAP
 Most affordable new technology in 2013
 Sensing device connected to computer via USB port
 Sensitive to the minutest movement
 200 times more sensitive than existing touch-free
technologies
 Control computer through simple gestures using
finger or pen
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14. Contd.
 Widely recognized as more powerful and accurate
 More accurate than a mouse
 Reliable as a keyboard
 More sensitive than touch screen
 3D control with your natural hand and finger
 Works on windows vista/7/8 and Mac OSx and
Linux
 Motion sensing is now available in video games 14

15. Contd.
 User experience is natural and more life like
 IPod size controller is outfitted with company’s
software
 Track individual finger movement to 1/100th of a
millimeter
 Device is 200 times accurate than anything else on
market
 To be placed on physical desktop, facing upward.
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16. Contd.
 Creates a 3D interaction space
 It also tracks tools like pen, pencil, chopstick..with
high accuracy
 Leap performs task like navigating a website using
pinch to zoom gestures on map
 Provide high precision drawing and manipulating
complex 3D data visualization
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17. Contd.
 Main technology behind leap is natural user interface,
gestures recognition and motion detection
 Consumes only 1-2% of the Central Processing Unit
(CPU)
 Leap has partnered with Asus to ship high end
notebooks and all in one PCs in later 2013
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18. TECHNOLOGY
 The Leap is a small USB peripheral device
 Using two VGA cameras and three infrared LEDs to
capture depth information
 The device observes a roughly hemispherical area, to
a distance of about 1 meter.
 It is designed to track fingers which cross into the
observed area, to a spatial precision of about 0.01 mm
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19. Contd.
Hemispherical area of interaction
 Sensor detects the finger
 Driver software determines where your finger is
 Update cursor position
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20. Contd.
 Sensor has some minimal onboard processing; it
streams frames of data
 Extracting position information using extremely
complex math
 Sensor update position typically 215 times per
second
 Within 8cubic feet 70,000,000 points.
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21. FEATURES OF LEAP
 Basic computing tasks like navigating an operating
system or browsing through Web pages.
 Precise virtual drawing in 2-D and 3-D.
 Navigating large scale 3-D data visualization systems
 Playing computer games
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22. Contd.
 Creating and manipulating 3-D models like houses
and cars.
 Signing a digital document by writing in air
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23. ADVANTAGES
 The tiny device may look like any old USB, but
power to change how we interact with computers.
 The leap motion offers a lot of potential to many
professions particularly the creative kind.
 It is portable, so we can use it in any situation.
 Leap is more accurate, cheaper and high resolution
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24. APPLICATIONS
 GAMING
o More intuitive compared to mouse or even touch
screens
o Great accuracy and responsiveness
 ROBOTICS
o Self Navigate
o Mimic Human Movement
 MUSIC AND VIDEO
o Electronic Music
o Playing or learning Instruments
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25. Contd.
o Organic Feel
o Efficient
o Flexible to Create and Edit videos
 HEATH CARE
For Surgeons
o Contactless. Maintain sterilization
o Manipulating screens
o Viewing reports
Physiotherapy
o To remotely monitor patients as they undergo rehab
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26. Contd.
o Engage children recovering from injuries by
merging physiotherapy and games
 ART AND DESIGN
o Offers better ergonomics compared to mouse
o More intuitive 3D interface
o Greater accuracy and responsiveness
o Easy to use with simple form factor
o Relatively cheaper than competitors
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27. CONCLUSION
 Plug the leap into USB port and load the leap
motion software for the magic
 Leap Motion plans has distributed thousands of
units for free to developers
 It is affordable for many people
 Available for preorder now
 Wide response from users
 Wireless version is already planned 27

28. REFERENCES
 https://www.leapmotion.com/
 http://en.wikipedia.org/wiki/Leap_Motion
 http://www.technologyreview.com/news/507956/leaping-
into-the-gesture-control-era/
 http://9to5mac.com/2013/01/25/first-hands-on-with-the-
leap-motion-developer-edition-the-69-gesture-controller-
for-mac-and-pcs/
 http://www.wired.com/gadgetlab/2012/05/why-the-leap-
is-the-best-gesture-control-system-weve-ever-tested/
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