A multi-touch three dimensional touch-sensitive tablet
CHI '85 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
Using while moving: HCI issues in fieldwork environments
ACM Transactions on Computer-Human Interaction (TOCHI) - Special issue on human-computer interaction with mobile systems
Reassessing current cell phone designs: using thumb input effectively
CHI '03 Extended Abstracts on Human Factors in Computing Systems
Multi-finger and whole hand gestural interaction techniques for multi-user tabletop displays
Proceedings of the 16th annual ACM symposium on User interface software and technology
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
ZoneZoom: map navigation for smartphones with recursive view segmentation
Proceedings of the working conference on Advanced visual interfaces
Navigating documents with the virtual scroll ring
Proceedings of the 17th annual ACM symposium on User interface software and technology
AppLens and launchTile: two designs for one-handed thumb use on small devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Glimpse: a novel input model for multi-level devices
CHI '05 Extended Abstracts on Human Factors in Computing Systems
Low-cost multi-touch sensing through frustrated total internal reflection
Proceedings of the 18th annual ACM symposium on User interface software and technology
Precise selection techniques for multi-touch screens
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Target size study for one-handed thumb use on small touchscreen devices
Proceedings of the 8th conference on Human-computer interaction with mobile devices and services
ThinSight: versatile multi-touch sensing for thin form-factor displays
Proceedings of the 20th annual ACM symposium on User interface software and technology
Rubbing and tapping for precise and rapid selection on touch-screen displays
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
PressureFish: a method to improve control of discrete pressure-based input
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Evaluating one handed thumb tapping on mobile touchscreen devices
GI '08 Proceedings of graphics interface 2008
TapTap and MagStick: improving one-handed target acquisition on small touch-screens
AVI '08 Proceedings of the working conference on Advanced visual interfaces
HandSense: discriminating different ways of grasping and holding a tangible user interface
Proceedings of the 3rd International Conference on Tangible and Embedded Interaction
MicroRolls: expanding touch-screen input vocabulary by distinguishing rolls vs. slides of the thumb
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Back-of-device interaction allows creating very small touch devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
PressureText: pressure input for mobile phone text entry
CHI '09 Extended Abstracts on Human Factors in Computing Systems
Pressure-based text entry for mobile devices
Proceedings of the 11th International Conference on Human-Computer Interaction with Mobile Devices and Services
GraspZoom: zooming and scrolling control model for single-handed mobile interaction
Proceedings of the 11th International Conference on Human-Computer Interaction with Mobile Devices and Services
Detecting and leveraging finger orientation for interaction with direct-touch surfaces
Proceedings of the 22nd annual ACM symposium on User interface software and technology
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Characteristics of pressure-based input for mobile devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
ThumbSpace: generalized one-handed input for touchscreen-based mobile devices
INTERACT'07 Proceedings of the 11th IFIP TC 13 international conference on Human-computer interaction
Pressure-based menu selection for mobile devices
Proceedings of the 12th international conference on Human computer interaction with mobile devices and services
Sensor synaesthesia: touch in motion, and motion in touch
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
AnglePose: robust, precise capacitive touch tracking via 3d orientation estimation
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
100,000,000 taps: analysis and improvement of touch performance in the large
Proceedings of the 13th International Conference on Human Computer Interaction with Mobile Devices and Services
TapSense: enhancing finger interaction on touch surfaces
Proceedings of the 24th annual ACM symposium on User interface software and technology
The fat thumb: using the thumb's contact size for single-handed mobile interaction
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services companion
Heat maps as a usability tool for multi-touch interaction in mobile applications
Proceedings of the 11th International Conference on Mobile and Ubiquitous Multimedia
TouchShield: a virtual control for stable grip of a smartphone using the thumb
CHI '13 Extended Abstracts on Human Factors in Computing Systems
Indirect shear force estimation for multi-point shear force operations
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
VibPress: estimating pressure input using vibration absorption on mobile devices
Proceedings of the 15th international conference on Human-computer interaction with mobile devices and services
Dinner metaphor interface: operating your computers with a knife and fork
Proceedings of the 2013 ACM international conference on Interactive tabletops and surfaces
PointPose: finger pose estimation for touch input on mobile devices using a depth sensor
Proceedings of the 2013 ACM international conference on Interactive tabletops and surfaces
Ta-Tap: consecutive distant tap operations for one-handed touch screen use
Proceedings of the adjunct publication of the 26th annual ACM symposium on User interface software and technology
FingerSkate: making multi-touch operations less constrained and more continuous
Proceedings of the adjunct publication of the 26th annual ACM symposium on User interface software and technology
Pseudo-pressure detection and its use in predictive text entry on touchscreens
Proceedings of the 25th Australian Computer-Human Interaction Conference: Augmentation, Application, Innovation, Collaboration
Left and right hand distinction for multi-touch tabletop interactions
Proceedings of the 19th international conference on Intelligent User Interfaces
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Modern mobile devices allow a rich set of multi-finger interactions that combine modes into a single fluid act, for example, one finger for panning blending into a two-finger pinch gesture for zooming. Such gestures require the use of both hands: one holding the device while the other is interacting. While on the go, however, only one hand may be available to both hold the device and interact with it. This mostly limits interaction to a single-touch (i.e., the thumb), forcing users to switch between input modes explicitly. In this paper, we contribute the Fat Thumb interaction technique, which uses the thumb's contact size as a form of simulated pressure. This adds a degree of freedom, which can be used, for example, to integrate panning and zooming into a single interaction. Contact size determines the mode (i.e., panning with a small size, zooming with a large one), while thumb movement performs the selected mode. We discuss nuances of the Fat Thumb based on the thumb's limited operational range and motor skills when that hand holds the device. We compared Fat Thumb to three alternative techniques, where people had to precisely pan and zoom to a predefined region on a map and found that the Fat Thumb technique compared well to existing techniques.