Beyond Fitts' law: models for trajectory-based HCI tasks
Proceedings of the ACM SIGCHI Conference on Human factors in computing systems
Principles of mixed-initiative user interfaces
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
More than dotting the i's --- foundations for crossing-based interfaces
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Cursor measures for motion-impaired computer users
Proceedings of the fifth international ACM conference on Assistive technologies
Heuristic evaluation of ambient displays
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
GestureWrist and GesturePad: Unobtrusive Wearable Interaction Devices
ISWC '01 Proceedings of the 5th IEEE International Symposium on Wearable Computers
CHI '04 Extended Abstracts on Human Factors in Computing Systems
SHARK2: a large vocabulary shorthand writing system for pen-based computers
Proceedings of the 17th annual ACM symposium on User interface software and technology
Proceedings of the 17th annual ACM symposium on User interface software and technology
Foreground and background interaction with sensor-enhanced mobile devices
ACM Transactions on Computer-Human Interaction (TOCHI)
The whereabouts clock: early testing of a situated awareness device
CHI '06 Extended Abstracts on Human Factors in Computing Systems
Exploring wearable ambient displays for social awareness
CHI '06 Extended Abstracts on Human Factors in Computing Systems
Multi-layer interaction for digital tables
UIST '06 Proceedings of the 19th annual ACM symposium on User interface software and technology
Mosaic textile: wearable ambient display with non-emissive color-changing modules
Proceedings of the 2006 ACM SIGCHI international conference on Advances in computer entertainment technology
Modeling steering within above-the-surface interaction layers
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
BodySpace: inferring body pose for natural control of a music player
CHI '07 Extended Abstracts on Human Factors in Computing Systems
Stane: synthesized surfaces for tactile input
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Investigating the effectiveness of tactile feedback for mobile touchscreens
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Range: exploring implicit interaction through electronic whiteboard design
Proceedings of the 2008 ACM conference on Computer supported cooperative work
Bearing-based selection in mobile spatial interaction
Personal and Ubiquitous Computing
HoverFlow: expanding the design space of around-device interaction
Proceedings of the 11th International Conference on Human-Computer Interaction with Mobile Devices and Services
BiDi screen: a thin, depth-sensing LCD for 3D interaction using light fields
ACM SIGGRAPH Asia 2009 papers
Abracadabra: wireless, high-precision, and unpowered finger input for very small mobile devices
Proceedings of the 22nd annual ACM symposium on User interface software and technology
Interactions in the air: adding further depth to interactive tabletops
Proceedings of the 22nd annual ACM symposium on User interface software and technology
Whack gestures: inexact and inattentive interaction with mobile devices
Proceedings of the fourth international conference on Tangible, embedded, and embodied interaction
Enhancing input on and above the interactive surface with muscle sensing
Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces
FingerCloud: uncertainty and autonomy handover incapacitive sensing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
SAK: Scanning ambiguous keyboard for efficient one-key text entry
ACM Transactions on Computer-Human Interaction (TOCHI)
Towards using embedded magnetic field sensor for around mobile device 3D interaction
Proceedings of the 12th international conference on Human computer interaction with mobile devices and services
Nenya: subtle and eyes-free mobile input with a magnetically-tracked finger ring
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
Ease of juggling: studying the effects of manual multitasking
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Air finger: enabling multi-scale navigation by finger height above the surface
Proceedings of the 13th international conference on Ubiquitous computing
INTERACT'11 Proceedings of the 13th IFIP TC 13 international conference on Human-computer interaction - Volume Part I
Do not disturb: physical interfaces for parallel peripheral interactions
INTERACT'11 Proceedings of the 13th IFIP TC 13 international conference on Human-computer interaction - Volume Part II
INTERACT'11 Proceedings of the 13th IFIP TC 13 international conference on Human-computer interaction - Volume Part III
ThickPad: a hover-tracking touchpad for a laptop
Proceedings of the 24th annual ACM symposium adjunct on User interface software and technology
Dynamic ambient lighting for mobile devices
Proceedings of the 24th annual ACM symposium adjunct on User interface software and technology
Monte carlo methods for managing interactive state, action and feedback under uncertainty
Proceedings of the 24th annual ACM symposium on User interface software and technology
Proceedings of the 23rd Australian Computer-Human Interaction Conference
Extending interactions into hoverspace using reflected light
Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces
Unlocking the expressivity of point lights
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
ShoeSense: a new perspective on gestural interaction and wearable applications
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Going beyond the surface: studying multi-layer interaction above the tabletop
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Mockup builder: direct 3D modeling on and above the surface in a continuous interaction space
Proceedings of Graphics Interface 2012
Nailing down multi-touch: anchored above the surface interaction for 3D modeling and navigation
Proceedings of Graphics Interface 2012
Acting by hand: Informing interaction design for the periphery of people's attention
Interacting with Computers
Finding my beat: personalised rhythmic filtering for mobile music interaction
Proceedings of the 15th international conference on Human-computer interaction with mobile devices and services
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We describe the focused-casual continuum, a framework for describing interaction techniques according to the degree to which they allow users to adapt how much attention and effort they choose to invest in an interaction conditioned on their current situation. Casual interactions are particularly appropriate in scenarios where full engagement with devices is frowned upon socially, is unsafe, physically challenging or too mentally taxing. Novel sensing approaches which go beyond direct touch enable wider use of casual interactions, which will often be 'around device' interactions. We consider the degree to which previous commercial products and research prototypes can be considered as fitting the focused-casual framework, and describe the properties using control theoretic concepts. In an experimental study we observe that users naturally apply more precise and more highly engaged interaction techniques when faced with a more challenging task and use more relaxed gestures in easier tasks.