Demo of Eye Tracking Viz Tool

I’ve been working on a better way to visualize data generated by my eye tracking camera. The typical approach smashes data into a single image. However, I’m really interested in seeing how eye gaze moves over time, meaning that aggregating loses the critical aspects.

camtasia-capture-of-three

The gif above shows the tool I’m currently developing.  It uses three.js to place the recorded video and image slide into a 3d space.  I then display *every* person’s gaze as a point, and update it in real-time. This also allows me to include pupil dilation, which is a key marker of cognitive load.

It still needs work, but is a pretty cool way of seeing how people reacted during the one-on-one experimental sessions.

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