This document discusses an eye gaze communication system that allows users to control devices and communicate by looking at on-screen keys and menus. It works by using a camera below a monitor to track a user's eye movements as they look at different areas of the screen. Some key points covered include how the system operates, the types of functions and commands it can be used for, requirements for users, and recent advancements in portable eye tracking technologies.

1. EYE GAZE
COMMUNICATION

2. CONTENTS
 Introduction
 Working
 Running
 Functions
 Operational environment
 Advancements
 Conclusion

3. INTRODUCTION
 This operates with eyes by looking at
control keys displayed on a screen.
 By looking at the control keys on screen a person can
synthesize speech,control his environment,operate
telephone,acess internet etc

4. USERS OF EYE GAZE SYSTEM
 Eye gaze Systems are in use around the world. Its users are
adults and children with spinal cord injuries, brain injuries etc

5. WORKING
As a user sits in front of the
Eyegaze monitor, a specialized
video camera mounted below the
monitor observes one of the user's
eyes.
Nothing is attached to the user's
head or body

6. Running the system
 A user operates the Eye gaze System by looking at rectangular
keys that are displayed on the control screen. To "press" an
Eye gaze key, the user looks at the key for a specified period
of time. The gaze duration required to visually activate a key,
typically a fraction of a second, is adjustable. An array of
menu keys and exit keys allow the user to navigate around the
Eye gaze programs independently.

7. Functions

8. Options On Menu

10. SKILLS NEEDED BY THE USER
 Good control of an eye
 Ability to read
 To maintain head constantly infront of eye gaze monitor

11. Operational Environment
 The Eyegaze System must be operated in an environment
where there is limited of ambient infrared light. Common
sources of infrared light are sunlight and incandescent light
bulbs.

12. Advancements
 The Portable Eye gaze System

13. INTELLIGAZE IG 30
 It is a sophisticated system with a high tracking rate and
excellent working range.
 It can accommodate rapid or involuntary head movements

14. Conclusion
 The main reason for eye-gaze based user interfaces being
attractive is that the direction of the eye-gaze can express the
interests of the user
 But at present this systems are designed for literates only

15. THANK YOU