by: matt kelly (ce), michael krenzer (ee), hemsley pichardo (ee), tina podrasky (ise), brad...

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TABLET-BASED GAZE TRACKER P13541 By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

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Project Description  Gaze-Tracking used as a teaching tool for photography  Allows for the greatest level of mobility  Design a portable gaze-tracker that used two cameras simultaneously One facing the user One facing the area of interest

TRANSCRIPT

Page 1: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

TABLET-BASED GAZE TRACKER

P13541

By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Page 2: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Agenda Project Description Project Goal Customer Needs Project Specifications Final Design Bill of Material Design Summary System Testing Results Current State of Project Conclusion/ Results Suggestions for Future Work

Page 3: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Project Description Gaze-Tracking used as a teaching tool

for photography Allows for the greatest level of mobility Design a portable gaze-tracker that

used two cameras simultaneouslyOne facing the userOne facing the area of interest

Page 4: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Customer Needs

Page 5: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Project Specifications

Page 6: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Final Design

Page 7: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Bill Of Material

Page 8: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Design Summary

Page 9: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Mount Design Summary Mount Design

Used ABS Plastic for CasingUsed Aluminum for mountUsed GoPro parts for clip

Page 10: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

PCB Design Summary Designed with PCB Express Two Boards used with 3 LEDs each Powered off USB 1.1”x 1.6” each

Page 11: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

IR Testing

Page 12: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Focus Testing

Page 13: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Camera Testing

Page 14: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Accuracy Test

Page 15: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Usability Testing o 15 SUBJECTS RUN FOUR RANDOMIZED CALIBRATION

ROUTINE o THE SUBJECT FOLLOW A SINGLE DOT TO FIVE DIFFERENT

LOCATIONS ON THE SCREENo TWO DIFFERENT CALIBRATION VARIABLES - FAST OR

SLOW AND WITH OR WITHOUT DIRECTION o FAST WITH DIRECTION WAS DETERMINED TO BE THE

MOST ACCURATE ROUTINE

Page 16: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Current State of Project Hardware completed

Camera filter removed and reassembled

IR LEDs and PCBs integrated Case and Mount

manufactured and assembled Software completed

User Interface Calibration Debug Image Gaze Tracking (with poor accuracy)

Software in Progress• Gaze Tracking Reliability

• Pupil Detection • Eye Region Detection

• Overall Program Reliability

Page 17: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Conclusions/ Results Many Customer needs were met, but

gaze tracking should be more robust We learned a lot

Gaze tracking is a very tough problem, especially on a tablet

Learned importance of communication

Page 18: By: Matt Kelly (CE), Michael Krenzer (EE), Hemsley Pichardo (EE), Tina Podrasky (ISE), Brad Wideman(CE)

Suggestions for Future Work Further work on making our system

more accurate and dynamic Screen to adjust algorithm parameters

Open source, portable library for gaze tracking

Use more Computer Engineers for future iterations

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