Situated information spaces and spatially aware palmtop computers
Communications of the ACM - Special issue on computer augmented environments: back to the real world
Tilting operations for small screen interfaces
Proceedings of the 9th annual ACM symposium on User interface software and technology
Squeeze me, hold me, tilt me! An exploration of manipulative user interfaces
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Sensing techniques for mobile interaction
UIST '00 Proceedings of the 13th annual ACM symposium on User interface software and technology
Rock 'n' Scroll Is Here to Stay
IEEE Computer Graphics and Applications
Peephole displays: pen interaction on spatially aware handheld computers
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Non-Contact Eye Gaze Tracking System by Mapping of Corneal Reflections
FGR '02 Proceedings of the Fifth IEEE International Conference on Automatic Face and Gesture Recognition
Design of spatially aware graspable displays
CHI EA '97 CHI '97 Extended Abstracts on Human Factors in Computing Systems
Target selection on mobile devices using display segmentation
Proceedings of the 9th international conference on Human computer interaction with mobile devices and services
Pull and Push: Proximity-Aware User Interface for Navigating in 3D Space Using a Handheld Camera
Proceedings of the 13th International Conference on Human-Computer Interaction. Part III: Ubiquitous and Intelligent Interaction
Doodle space: painting on a public display by cam-phone
AMC '09 Proceedings of the 2009 workshop on Ambient media computing
Human-centered visualization environments
Human-centered visualization environments
iRotate: automatic screen rotation based on face orientation
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
When camera meets accelerometer: a novel way for 3d interaction of mobile phone
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services companion
Surround-see: enabling peripheral vision on smartphones during active use
Proceedings of the 26th annual ACM symposium on User interface software and technology
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"Tilt scrolling" and "peephole display" are popular user interface ideas for small computers, and inertial sensors were often the choice for the realization of such ideas. Inertial sensors, however, have two fundamental limitations; the frame of reference is not the user but the earth, and drifting errors are difficult to overcome. A possibly better solution, free from such limitations, is machine vision. Machine vision was a luxury for small computers but is becoming a practical solution because a camera is now a common component of small computers and the required vision algorithm is already running in optical mice. The vision algorithm of our prototype, which we called ISeeU, tracks simple features in the user's face and calculates lateral displacements and changes in distance, which in turn are used to control scrolling and zooming. An informal test with scrolling tasks indicates that its performance is comparable with a user interface using arrow keys.