TouchGrid: Touchpad pointing by recursively mapping taps to smaller display regions

Morten Hertzum, Kasper Hornbæk

    Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

    Resumé

    Touchpad devices are widely used but lacking in pointing efficiency. The TouchGrid, an instance of what we term cell cursors, replaces moving the cursor through dragging the finger on a touchpad with tapping in different regions of the touchpad. The touchpad regions are recursively mapped to smaller display regions and thereby enable high-precision pointing without requiring high tapping precision. In an experiment, six subjects used the TouchGrid and a standard touchpad across different numbers of targets, distances to targets, and target widths. Whereas standard touchpad operation follows Fitts’ law, target selection time with the TouchGrid is a linear function of the required number of taps. The TouchGrid was significantly faster for small targets and for tasks requiring one tap, and marginally faster for two-tap tasks. Error rates tended to be higher with the TouchGrid than the standard touchpad. All subjects preferred the TouchGrid.
    OriginalsprogEngelsk
    TidsskriftBehavior and Information Technology
    Vol/bind24
    Udgave nummer5
    Sider (fra-til)337-346
    ISSN0144-929X
    StatusUdgivet - 2005

    Emneord

      Citer dette

      Hertzum, Morten ; Hornbæk, Kasper. / TouchGrid: Touchpad pointing by recursively mapping taps to smaller display regions. I: Behavior and Information Technology. 2005 ; Bind 24, Nr. 5. s. 337-346.
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      TouchGrid: Touchpad pointing by recursively mapping taps to smaller display regions. / Hertzum, Morten; Hornbæk, Kasper.

      I: Behavior and Information Technology, Bind 24, Nr. 5, 2005, s. 337-346.

      Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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      AU - Hertzum, Morten

      AU - Hornbæk, Kasper

      PY - 2005

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