REUMass Amherst 2015: A Summer Research Experience in Data Science

The iShadow Platform: Reproducibility

Connor PopeECE

Background: The iShadow project is about

designing a wearable, real-time gaze-tracker [1]. [2].

Problem Statement: Redesigning the

instrumentation so as to enable reproducibility.

Impact: This allows other research groups to use

the iShadow easily, and allows for rapid prototyping

and testing.

Prof. Ganesan and A. Mayberry

College of Information and Computer Sciences

University of Massachusetts AmherstUniversity of Massachusetts Amherst

Introduction Results Conclusions

References

The new platform is based on the ‘Romco-5A’

military frame. I used AutoCAD to design a 3D

model of the frame and peripheral parts. I used a

Formiga P110 3D printer to print multiple variations

of each frame w/parts. I tested each variation and

updated my models accordingly. Iterate until

satisfied.

I also dimension tested the 3D printer to test its

resolution in the XY-Plane and Z-Plane.

Discussion: The designed frames are extremely

close to the dimensions of the R5A frames.

Peripheral parts and their angles have been tested,

and we gained valuable insight into what angles

work.

[1] A. Mayberry, P. Hu, B. Marlin, C. Salthouse, and D. Ganesan. iShadow: Design of a Wearable, Real-Time Mobile Gaze Tracker. MobiSys 2014.[2] A. Mayberry, Y. Tun, P. Hu, D. Smith-Freedman, B. Marlin, C. Salthouse, D. Ganesan. CIDER: Enabling Robustness-Power Tradeoffs on a Computational Eyeglass. MobiCom 2015.3D Model, Dimension Testing

Results of dimension

testing helpful in

designing future models.

More accurate in XY than

in Z.

Testing Camera Angles

Frame w/Peripherals

Frames 3D Model 3D Print

Future: I will be working

on this project throughout

next year. I will continue

updating the platform. I

will test 3D scanning for

better frame models.

Approach

The iShadow

Eye Pictures from Testing

Peripheral Parts

Variations of Frame