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Hands, hover, and nibs: understanding stylus accuracy on tablets

Published: 03 June 2015 Publication History

Abstract

Although tablets and styli have become pervasive, styli have not seen widespread adoption for precise input tasks such as annotation, note-taking, algebra, and so on. While many have identified that stylus accuracy is a problem, there is still much unknown about how the user and the stylus itself influences accuracy. The present work identifies a multitude of factors relating to the user, the stylus, and tablet hardware that impact the inaccuracy experienced today. Further, we report on a two-part user study that evaluated the interplay between the motor and visual systems (i.e., hand posture and visual feedback) and an increasingly important feature of the stylus, the nib diameter. The results determined that the presence of visual feedback and the dimensions of the stylus nib are crucial to the accuracy attained and pressure exerted with the stylus. The ability to rest one's hand on the screen, while providing comfort and support, was found to have surprisingly little influence on accuracy.

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  • (2015)NanoStylusProceedings of the 28th Annual ACM Symposium on User Interface Software & Technology10.1145/2807442.2807500(447-456)Online publication date: 5-Nov-2015

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    Published In

    cover image Guide Proceedings
    GI '15: Proceedings of the 41st Graphics Interface Conference
    June 2015
    297 pages
    ISBN:9780994786807

    Sponsors

    • The Canadian Human-Computer Communications Society / Société Canadienne du Dialogue Humaine Machine (CHCCS/SCDHM)

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    Canadian Information Processing Society

    Canada

    Publication History

    Published: 03 June 2015

    Author Tags

    1. accuracy
    2. hand posture
    3. nib diameter
    4. pen
    5. pen computing
    6. stylus
    7. stylus design
    8. visual feedback

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    Overall Acceptance Rate 206 of 508 submissions, 41%

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    • (2015)NanoStylusProceedings of the 28th Annual ACM Symposium on User Interface Software & Technology10.1145/2807442.2807500(447-456)Online publication date: 5-Nov-2015

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