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MultiPress: releasing keys for multitap segmentation

Published: 07 May 2011 Publication History

Abstract

While MultiTap is one of the most popular text entry methods for mobile phones, it has a fundamental weakness known as MultiTap segmentation problem. Based on the observation that the thumb does not leave the keys between tapping actions, we designed a MultiTap segmentation method where the release action of the thumb is used to indicate input completion. A user study using a touch-sensing keypad prototype to explore the feasibility of the idea and a comparison test to access its benefit revealed promising results supporting the effectiveness of the proposed segmentation method.

References

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Android SDK, MotionEvent. http://developer.android.com/reference/android/view/MotionEvent.html
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Holleis, P., Huhtala, J. and Häkkilä, J. Studying applications for touch-enabled mobile phone keypads. In Proc. TEI 2008, ACM Press (2008), 15--18.
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MacKenzie, I.S., Kober, H., Smith, D., Jones, T., and Skepner, E. LetterWise: Prefix-based disambiguation for mobile text input. In Proc. UIST 2001, ACM Press (2001), 111--120.
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MacKenzie, I.S. and Soukoreff, R.W. Phrase sets for evaluating text entry techniques. Ext. Abtractss. CHI 2003. ACM Press (2003), 754--755.
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Cited By

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  • (2014)Design of interaction techniques for clickable touch screensProceedings of the 26th Australian Computer-Human Interaction Conference on Designing Futures: the Future of Design10.1145/2686612.2686702(568-577)Online publication date: 2-Dec-2014

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  1. MultiPress: releasing keys for multitap segmentation

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    cover image ACM Conferences
    CHI EA '11: CHI '11 Extended Abstracts on Human Factors in Computing Systems
    May 2011
    2554 pages
    ISBN:9781450302685
    DOI:10.1145/1979742

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    New York, NY, United States

    Publication History

    Published: 07 May 2011

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    Author Tags

    1. MultiTap
    2. disambiguation
    3. mobile phones
    4. segmentation problem
    5. text input
    6. touch screen

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    • (2014)Design of interaction techniques for clickable touch screensProceedings of the 26th Australian Computer-Human Interaction Conference on Designing Futures: the Future of Design10.1145/2686612.2686702(568-577)Online publication date: 2-Dec-2014

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