Situated information spaces and spatially aware palmtop computers
Communications of the ACM - Special issue on computer augmented environments: back to the real world
Acquisition of expanding targets
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the 15th annual ACM symposium on User interface software and technology
Peephole displays: pen interaction on spatially aware handheld computers
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Halo: a technique for visualizing off-screen objects
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
RFIG lamps: interacting with a self-describing world via photosensing wireless tags and projectors
ACM SIGGRAPH 2004 Papers
Interaction Using a Handheld Projector
IEEE Computer Graphics and Applications
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the 18th annual ACM symposium on User interface software and technology
Exploring Interaction with a Simulated Wrist-Worn Projection Display
ISWC '05 Proceedings of the Ninth IEEE International Symposium on Wearable Computers
Ubiquitous graphics: combining hand-held and wall-size displays to interact with large images
Proceedings of the working conference on Advanced visual interfaces
Interacting with dynamically defined information spaces using a handheld projector and a pen
UIST '06 Proceedings of the 19th annual ACM symposium on User interface software and technology
Multi-user interaction using handheld projectors
Proceedings of the 20th annual ACM symposium on User interface software and technology
A semi-automatic realtime calibration technique for a handheld projector
Proceedings of the 2007 ACM symposium on Virtual reality software and technology
Map navigation with mobile devices: virtual versus physical movement with and without visual context
Proceedings of the 9th international conference on Multimodal interfaces
Wedge: clutter-free visualization of off-screen locations
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Target acquisition with camera phones when used as magic lenses
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Peephole pointing: modeling acquisition of dynamically revealed targets
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A review of overview+detail, zooming, and focus+context interfaces
ACM Computing Surveys (CSUR)
Flashlight jigsaw: an exploratory study of an ad-hoc multi-player game on public displays
Proceedings of the 2008 ACM conference on Computer supported cooperative work
Fitts' law as a research and design tool in human-computer interaction
Human-Computer Interaction
The tradeoff between spatial jitter and latency in pointing tasks
Proceedings of the 1st ACM SIGCHI symposium on Engineering interactive computing systems
Evaluation of an off-screen visualization for magic lens and dynamic peephole interfaces
Proceedings of the 12th international conference on Human computer interaction with mobile devices and services
Interaction with magic lenses: real-world validation of a Fitts' Law model
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Personal Projectors for Pervasive Computing
IEEE Pervasive Computing
May cause dizziness: applying the simulator sickness questionnaire to handheld projector interaction
BCS-HCI '12 Proceedings of the 26th Annual BCS Interaction Specialist Group Conference on People and Computers
Studying spatial memory and map navigation performance on projector phones with peephole interaction
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Peephole pointing is a promising interaction technique for large workspaces that contain more information than can be appropriately displayed on a single screen. In peephole pointing a window to the virtual workspace is moved in space to reveal additional content. In 2008, two different models for peephole pointing were discussed. Cao, Li and Balakrishnan proposed a two-component model, whereas Rohs and Oulasvirta investigated a similar model, but concluded that Fitts' law is sufficient for predicting peephole pointing performance. We present a user study performed with a handheld projector showing that Cao et al.'s model only outperforms Fitts' law in prediction accuracy when different peephole sizes are used and users have no prior knowledge of target location. Nevertheless, Fitts' law succeeds under the conditions most likely to occur. Additionally, we show that target overshooting is a key characteristic of peephole pointing and present the implementation of an orientation aware handheld projector that enables peephole interaction without instrumenting the environment.