The perspective wall: detail and context smoothly integrated
CHI '91 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
INTERCHI '93 Proceedings of the INTERCHI '93 conference on Human factors in computing systems
Cirrin: a word-level unistroke keyboard for pen input
Proceedings of the 11th annual ACM symposium on User interface software and technology
Quikwriting: continuous stylus-based text entry
Proceedings of the 11th annual ACM symposium on User interface software and technology
The metropolis keyboard - an exploration of quantitative techniques for virtual keyboard design
UIST '00 Proceedings of the 13th annual ACM symposium on User interface software and technology
Dasher—a data entry interface using continuous gestures and language models
UIST '00 Proceedings of the 13th annual ACM symposium on User interface software and technology
Acquisition of expanding targets
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Shorthand writing on stylus keyboard
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Metrics for text entry research: an evaluation of MSD and KSPC, and a new unified error metric
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Phrase sets for evaluating text entry techniques
CHI '03 Extended Abstracts on Human Factors in Computing Systems
Quikwriting as a multi-device text entry method
Proceedings of the third Nordic conference on Human-computer interaction
Fitts' law as a research and design tool in human-computer interaction
Human-Computer Interaction
BigKey: A Virtual Keyboard for Mobile Devices
Proceedings of the 13th International Conference on Human-Computer Interaction. Part III: Ubiquitous and Intelligent Interaction
Fisheye keyboard: whole keyboard displayed on PDA
HCI'07 Proceedings of the 12th international conference on Human-computer interaction: interaction platforms and techniques
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Nowadays, handheld devices are more and more equipped with functionalities and applications so that they almost serve like a desktop computer. However users find them tedious and tiring to input text due the tiny keys of their virtual keyboard. In this paper, we discuss a new text entry method (3DKey) based on addition of a third dimension to traditional virtual keyboard to overcome the small screen constraint of handheld devices. In this context, the accordion-folding the virtual keyboard is used as a solution to expand keys leading to easier selection. Thus our 3DKey virtual keyboard can be seen as composed of two zones: an accordion-folded zone and a spread zone. Our study showed that users achieved more accurate and relatively faster text entry with 120° accordion-folding and predictive spreading virtual keyboard, which resulted in speed improvement of 37.71 %, than with traditional virtual keyboard.