The alphaslider: a compact and rapid selector
CHI '94 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Elastic graphical interfaces to precise data manipulation
CHI '95 Conference Companion on Human Factors in Computing Systems
Tilting operations for small screen interfaces
Proceedings of the 9th annual ACM symposium on User interface software and technology
Popup vernier: a tool for sub-pixel-pitch dragging with smooth mode transition
Proceedings of the 11th annual ACM symposium on User interface software and technology
Speed-dependent automatic zooming for browsing large documents
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
Scroll Display: Pointing Device for Palmtop Computers
APCHI '98 Proceedings of the Third Asian Pacific Computer and Human Interaction
The Representation and Recognition of Human Movement Using Temporal Templates
CVPR '97 Proceedings of the 1997 Conference on Computer Vision and Pattern Recognition (CVPR '97)
Marker-less Vision Based Tracking for Mobile Augmented Reality
ISMAR '03 Proceedings of the 2nd IEEE/ACM International Symposium on Mixed and Augmented Reality
Tuning and testing scrolling interfaces that automatically zoom
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A Vision-Based Approach for Controlling User Interfaces of Mobile Devices
CVPR '05 Proceedings of the 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05) - Workshops - Volume 03
Real-world interaction with camera phones
UCS'04 Proceedings of the Second international conference on Ubiquitous Computing Systems
Usability engineering for mobile maps
Mobility '07 Proceedings of the 4th international conference on mobile technology, applications, and systems and the 1st international symposium on Computer human interaction in mobile technology
Face Tracking for Spatially Aware Mobile User Interfaces
ICISP '08 Proceedings of the 3rd international conference on Image and Signal Processing
Adaptive motion-based gesture recognition interface for mobile phones
ICVS'08 Proceedings of the 6th international conference on Computer vision systems
Evaluation of motion-based interaction for mobile devices: A case study on image browsing
Interacting with Computers
Proceedings of the 9th ACM Conference on Embedded Networked Sensor Systems
Camera-Based virtual environment interaction on mobile devices
ISCIS'06 Proceedings of the 21st international conference on Computer and Information Sciences
Interactive multi-frame reconstruction for mobile devices
Multimedia Tools and Applications
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We present an approach for facilitating user interaction on mobile devices, focusing on camera-enabled mobile phones. A user interacts with an application by moving their device. An on-board camera is used to capture incoming video and the scrolling direction and magnitude are estimated using a feature-based tracking algorithm. The direction is used as the scroll direction in the application, and the magnitude is used to set the zoom level. The camera is treated as a pointing device and zoom level control in applications. Our approach generates mouse events, so any application that is mouse-driven can make use of this technique.