CHI '86 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A Chinese-English microcomputer system
Communications of the ACM
Communications of the ACM
Predicting text entry speed on mobile phones
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Chinese input with keyboard and eye-tracking: an anatomical study
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Text input for mobile devices: comparing model prediction to actual performance
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
LetterWise: prefix-based disambiguation for mobile text input
Proceedings of the 14th annual ACM symposium on User interface software and technology
QuickStroke: An Incremental On-Line Chinese Handwriting Recognition System
ICPR '02 Proceedings of the 16 th International Conference on Pattern Recognition (ICPR'02) Volume 3 - Volume 3
Constructing Chinese characters: keypad design for mobile phones
Behaviour & Information Technology
Graphics matter: a case study of mobile phone keypad design for chinese input
CHI '05 Extended Abstracts on Human Factors in Computing Systems
Speech pen: predictive handwriting based on ambient multimodal recognition
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Research Approaches to Mobile Use in the Developing World: A Review of the Literature
The Information Society
Kansuke: A logograph look-up interface based on a few modified stroke prototypes
ACM Transactions on Computer-Human Interaction (TOCHI)
Prospective analysis of the mobile health information systems in China
International Journal of Networking and Virtual Organisations
Principles for simplifying translation of marathi terms in mobile phones
IHCI'10 Proceedings of the 2010 international conference on Interaction Design & International Development
Automatic Language Translation: An Enhancement to the Mobile Messaging Services
International Journal of Technology and Human Interaction
Stroke++: A new Chinese input method for touch screen mobile phones
International Journal of Human-Computer Studies
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The increasing popularity of Short Message Services (SMS) in China highlights the need for effective and efficient methods for entering Chinese text on mobile phones. While stroke-based methods have potential advantages over pronunciation-based solutions, usability issues have limited the effectiveness of existing stroke-based methods. One significant usability challenge has been the ambiguous stroke-to-key mapping rules that are typically employed. We proposed a new solution that employs a combination of abstract symbols and example strokes to help users map strokes to keys more effectively. A longitudinal experiment was used to evaluate character entry performance using both objective and subjective measures for our new design as well as the existing solution. The results confirmed that a new design allows for improved performance as well as higher satisfaction levels as compared to the original design. Further, after approximately 1h of experience with the stroke-based method, novices were able to enter Chinese text at speeds comparable to that observed with the pronunciation-based Pinyin method. Results showed that the new design provided users with a better understanding of the system throughout the study, beginning with their first exposure to the keypad. By utilizing a combination of abstract representations and concrete examples of the available strokes, the new design reduced the ambiguity that typically exists regarding stroke-to-key mappings. In this way, usability was improved without any changes to the underlying technologies. Our results demonstrate that stroke-based solutions for Chinese character entry can be effective alternatives for mobile phones, providing an effective alternative for the many individuals who can write Chinese but do not speak the Mandarin dialect that serves as the basis for Pinyin. The improved solution could also be used with a traditional numeric keypad to allow one-handed data entry for desktop or mobile computers.