Gaze Tracking Software Protecting Privacy
Interesting use of gaze tracking software to protect privacy:
Chameleon uses gaze-tracking software and camera equipment to track an authorized reader’s eyes to show only that one person the correct text. After a 15-second calibration period in which the software essentially “learns” the viewer’s gaze patterns, anyone looking over that user’s shoulder sees dummy text that randomly and constantly changes.
To tap the broader consumer market, Anderson built a more consumer-friendly version called PrivateEye, which can work with a simple Webcam. The software blurs a user’s monitor when he or she turns away. It also detects other faces in the background, and a small video screen pops up to alert the user that someone is looking at the screen.
How effective this is will mostly be a usability problem, but I like the idea of a system detecting if anyone else is looking at my screen.
EDITED TO ADD (7/14): A demo.
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