MultiPress: releasing keys for multitap segmentation

  • Authors:
  • Seunghwan Lee;Jaehyun Han;Geehyuk Lee

  • Affiliations:
  • KAIST, Daejeon, South Korea;KAIST, Daejeon, South Korea;KAIST, Daejeon, South Korea

  • Venue:
  • CHI '11 Extended Abstracts on Human Factors in Computing Systems
  • Year:
  • 2011

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Abstract

While MultiTap is one of the most popular text entry methods for mobile phones, it has a fundamental weakness known as MultiTap segmentation problem. Based on the observation that the thumb does not leave the keys between tapping actions, we designed a MultiTap segmentation method where the release action of the thumb is used to indicate input completion. A user study using a touch-sensing keypad prototype to explore the feasibility of the idea and a comparison test to access its benefit revealed promising results supporting the effectiveness of the proposed segmentation method.