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)
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
HOTPAPER: multimedia interaction with paper using mobile phones
MM '08 Proceedings of the 16th ACM international conference on Multimedia
UCam: direct manipulation using handheld camera for 3d gesture interaction
MM '08 Proceedings of the 16th ACM international conference on Multimedia
Espace de caractérisation des interactions gestuelles physiques sur dispositifs mobiles
Proceedings of the 21st International Conference on Association Francophone d'Interaction Homme-Machine
Mobile media search: has media search finally found its perfect platform? part II
MM '09 Proceedings of the 17th ACM international conference on Multimedia
A survey on smartphone-based systems for opportunistic user context recognition
ACM Computing Surveys (CSUR)
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In this paper, 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 computer vision-based 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. The user is free to browse through large data sets on a limited size display with one hand, ideal for the mobile domain.