The size and resolution of computer displays has increased
dramatically, allowing more information than ever to be rendered
on-screen. However, items can now be so small or screens so
cluttered that users need to lean forward to properly examine
them. This behavior may be detrimental to a user’s posture
and eyesight. Our Lean and Zoom system detects a user’s
proximity to the display using a camera and magnifies the
on-screen content proportionally. This alleviates dramatic
leaning and makes items more readable. Results from a user
study indicate people find the technique natural and intuitive.
Most participants found on-screen content easier to read,
and believed the technique would improve both their performance
and comfort.
Harrison, Chris and Dey, Anind K.
Lean and Zoom: Proximity-Aware User Interface and Content
Magnification. In Proceedings of the SIGCHI Conference
on Human Factors in Computing Systems. CHI '08. ACM,
New York, NY, 507-510.
