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Anywhere touchtyping: text input on arbitrary surface using depth sensing

Published: 03 October 2010 Publication History

Abstract

In this paper, touch typing enabled virtual keyboard system using depth sensing on arbitrary surface is proposed. Keystroke event detection is conducted using 3-dimensional hand appearance database matching combined with fingertip's surface touch sensing. Our prototype system acquired hand posture depth map by implementing phase shift algorithm for Digital Light Processor (DLP) fringe projection on arbitrary flat surface. The system robustly detects hand postures on the sensible surface with no requirement of hand position alignment on virtual keyboard frame. The keystroke feedback is the physical touch to the surface, thus no specific hardware must be worn. The system works real-time in average of 20 frames per second.

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References

[1]
}}Mathias Kolsch and Matthew Turk. Keyboards without keyboards: A survey of virtual keyboards. In Proc. of Sensing and Input for Media-centric Systems, 2002.
[2]
}}Du H., Oggier T., Lustenberger F., and Charbon E. A virtual keyboard based on true-3d optical ranging. In Proc. of British Machine Vision Conference, 2005.
[3]
}}P. S. Huang, C. Zhang, and F. P. Chiang. High-speed 3-d shape measurement based on digital fringe projection. Optical Engineering, 42(1):163--168, 2003.
[4]
}}Blindtype. {Online}. http://www.blindtype.com.

Cited By

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  • (2022)TypeNet: Towards Camera Enabled Touch Typing on Flat Surfaces through Self-Refinement2022 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV)10.1109/WACV51458.2022.00064(567-576)Online publication date: Jan-2022
  • (2019)A novel Human-3DTV Interaction System Based on Free Hand Gestures and a Touch-based Virtual InterfaceIEEE Access10.1109/ACCESS.2019.2953798(1-1)Online publication date: 2019
  • (2018)A visual attention-based method to address the midas touch problem existing in gesture-based interactionThe Visual Computer: International Journal of Computer Graphics10.1007/s00371-014-1060-032:1(123-136)Online publication date: 28-Dec-2018
  • Show More Cited By

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  1. Anywhere touchtyping: text input on arbitrary surface using depth sensing

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    Published In

    cover image ACM Conferences
    UIST '10: Adjunct proceedings of the 23nd annual ACM symposium on User interface software and technology
    October 2010
    126 pages
    ISBN:9781450304627
    DOI:10.1145/1866218

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    Association for Computing Machinery

    New York, NY, United States

    Publication History

    Published: 03 October 2010

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    Author Tags

    1. depth sensing
    2. touch typing
    3. virtual keyboard

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    UIST '10

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    Overall Acceptance Rate 355 of 1,733 submissions, 20%

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    UIST '25
    The 38th Annual ACM Symposium on User Interface Software and Technology
    September 28 - October 1, 2025
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    View all
    • (2022)TypeNet: Towards Camera Enabled Touch Typing on Flat Surfaces through Self-Refinement2022 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV)10.1109/WACV51458.2022.00064(567-576)Online publication date: Jan-2022
    • (2019)A novel Human-3DTV Interaction System Based on Free Hand Gestures and a Touch-based Virtual InterfaceIEEE Access10.1109/ACCESS.2019.2953798(1-1)Online publication date: 2019
    • (2018)A visual attention-based method to address the midas touch problem existing in gesture-based interactionThe Visual Computer: International Journal of Computer Graphics10.1007/s00371-014-1060-032:1(123-136)Online publication date: 28-Dec-2018
    • (2016)User-centered gesture development in TV viewing environmentMultimedia Tools and Applications10.1007/s11042-014-2323-575:2(733-760)Online publication date: 1-Jan-2016
    • (2013)Surface Computing and Collaborative Analysis WorkSynthesis Lectures on Human-Centered Informatics10.2200/S00492ED1V01Y201303HCI0196:4(1-168)Online publication date: 31-Aug-2013

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