Eye Gaze10/2/2012

Build glasses that record two video streams

Transfer the streams to an eye-tracking application hosted in an Android device

Process the information to measure the point of gaze

Phase I

Based on: Building a lightweight Eyetracking Headgear

Jason S. Babcock & Jeff B. PelzRochester Institute of Technology

http://www.jasonbabcock.com/research/ETRA04_babcock_pelz_color_small.pdf

Eye Tracker

Uses an infrared (IR) source to illuminate the eye

Obtains a frame of reference by using the scene camera

Monitors the eye by employing a small camera

Eye Tracker

Eye Tracker

Obtains a reference for calibration using a laser diode and a 2D diffraction grating

Uses the scene camera to capture the 9-point grid

Eye Tracker

Description: Qty.: Unit Cost: Total:Scene Camera 1 $279.99 $279.99Eye Camera 1 $67.99 $67.992mm tip Jack 2 $1.54 $3.082.1mm power plug 3 $3.60 $10.80TO220 fixed voltage reg 1 $0.56 $0.562.5mm male mono connector 1 $1.11 $1.112.5mm female mono connector 1 $1.88 $1.884" black wire ties (100 count) 1 $2.88 $2.88

RCA female panel mount connector 3 $2.16 $6.482.5mm locking power plug 1 $5.24 $5.24

2.5 panel mount locking plug receiver 1 $3.52 $3.523/8 shaft vernier dial indicator 1 $10.92 $10.925/8" panel mount pot. 1 $20.39 $20.39IR diode TI 3/4 1 $0.76 $0.76Switch on/on 2 $4.28 $8.56Molex .1 housing 2 pin 1 $0.13 $0.13300 Ohm resister 5 $0.34 $0.34Blue RCA in line connector 1 $1.82 $1.82RG174 BNC rf connector 1 $3.43 $3.433/8 ID .60D grommet 10 $0.40 $4.03Philmore Plastic Box Black 1 $3.54 $3.54male 4 conductor 1 $1.97 $1.97female 4 conductor 1 $2.34 $2.34Class 2 12 volt power supply 1 $6.00 $6.00 Safety Glasses 1 $5.99 $5.99

Super High GAin Inline Micro Audio Syste 1 $9.99 $9.99TOTAL $463.74

Open source eye tracking application built in java

134 Java classes in total

Relies on two video streams (eye camera & scene camera)

Expert Eyes

VIP I-Natural Eye Gaze group: https://github.com/apavia3/EyeGaze.git

Original Code: http://experteyes.googlecode.com/svn/trunk/ experteyes-read-only

Repository

Questions?