Browse Prior Art Database

Doubled Gestures

IP.com Disclosure Number: IPCOM000115680D
Original Publication Date: 1995-Jun-01
Included in the Prior Art Database: 2005-Mar-30
Document File: 2 page(s) / 34K

Publishing Venue

IBM

Related People

Kitamura, K: AUTHOR

Abstract

Disclosed is a method for enhancing existing gesture systems by recognizing doubled gestures in pen-input systems. Whereas in most existing systems, gestures are used to draw single strokes, doubled gestures can be used to draw two identical strokes consecutively. Since there are no identical strokes in a character, doubled gestures can be distinguished from characters more accurately than single gestures.

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Doubled Gestures

      Disclosed is a method for enhancing existing gesture systems by
recognizing doubled gestures in pen-input systems.  Whereas in most
existing systems, gestures are used to draw single strokes, doubled
gestures can be used to draw two identical strokes consecutively.
Since
there are no identical strokes in a character, doubled gestures can
be
distinguished from characters more accurately than single gestures.

           The timing chart for existing gesture systems is shown in
Fig. 1.  The charts for the doubled gesture system are shown in Figs.
2
and 3.  In Fig. 2, a single gesture is processed, while in Fig. 3,
a doubled gesture is processed.  The "Wait" in Figs. 2 and 3 is
necessary to determine whether the gesture is doubled.

           The disclosed method interprets two identical consecutive
operations as a single operation.  One instance in which it can be
applied is menu selection.  If a user double-clicks on a menu with
single-click selection, it should be interpreted as a single-click,
not as two single-clicks, because the latter interpretation may cause
a wrong input of a subsequent menu.