Writing handwritten messages on a small touchscreen

  • Authors:
  • Wolf Kienzle;Ken Hinckley

  • Affiliations:
  • Microsoft Research, Redmond, Washington, United States;Microsoft Research, Redmond, Washington, United States

  • Venue:
  • Proceedings of the 15th international conference on Human-computer interaction with mobile devices and services
  • Year:
  • 2013

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Abstract

We present a method for composing handwritten messages on a small touchscreen device. A word is entered by drawing overlapped, screen sized letters on top of each other. The system does not require gestures or timeouts to delimit characters within a word - it automatically segments the overlapping strokes and renders the message in real-time as the user is writing. The auto-segmentation algorithm was designed for practicality; it is extremely simple, requires only public domain data for training, and runs very fast on low-power devices. Drawings may also be included with the text. Experimental data indicates the effectiveness of our system, even for novice users.