2. Completed First Immersion
Scheduled Hatch/Smart Board Installation
and Training Sessions
Continued Correspondence with SMI for Eye
Tracking/EEG Software
Assessed Thermal Camera Technology
Created and Evaluated a Prototype of Hall
Effect Sensor Technology
Created and Evaluated a Prototype of Low
Powered Laser Tracking Technology
3. Conducted at the Early Childhood Education
Center (ECEC) associated with Louisiana Tech
University
Observed children using the Hatch education
software on a Polyvision board
Specifically observed how students and
teachers interacted with the software and
board
4. Installation and training sessions scheduled
for February 27-28, 2013
Board will be installed on a stand provided by
a third party company in the Biomedical
Engineering Building at Louisiana Tech
University
5. Continued correspondence to determine the
usability of our Emotiv Epoc Headset with
the SMI eye tracking software and hardware
6. Conducted cursory investigation into the
usability of thermal cameras to track
engagement
Determined to be ineffective
Slow response time
Slow rate of change between thermal signatures
of target
7. Switch hall effect
Indicating LED
sensor
Changes with
orientation of magnet
Controls LED
indicating light
Switch Hall
Effect Sensor
8. Activated Circuit Deactivated Circuit
Indicating LED Indicating LED
Switch Hall Switch Hall
Controlling Effect Sensor Controlling Effect Sensor
Magnet Magnet
10. Prototype demonstrates the feasibility of hall
effect sensors for incorporation into the
device
Improvements to be made may include :
Linear Hall Effect Sensors
Grid Network Design
Stronger Magnets
11. Tracks user’s head
movement
Uses two lasers, an 8-
megapixelcamera, and
programming in
Matlab
Isolates laser points on
image Bishestha approximating the head
Determines where the orientation of the two lasers during
testing
user is looking
12. Test image taken with
two laser points
included
Laser Points
13. Image converted to
grey scale in Matlab
Image is defined in
terms of white
intensity
Laser points remain
most intense areas
Laser Points
14. Laser points isolated
on image
Pixels under threshold
reduced to black
Pixels over threshold
remain
Laser Points
15. Determined the
coordinates of
remaining points
Center point
coordinates found by
averaging these values
Created a single center
point and reduced laser
points to black
Center Point
16. Added center point to
original image
Removed original laser
points
Center Point
17. Next step is introduction of infrared lasers to
limit device distraction towards users
Tests prove technological feasibility for
inclusion into overall design