Development and Evaluation of an Electronic Whiteboard with Multi-touch Operation and a Pie Menu(<Special Issue>Development of Learning and Educational Technologies)

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  • マルチタッチとパイメニューを用いた電子黒板インタフェースの開発と評価(<特集>学習・教育支援のための技術開発)
  • マルチタッチとパイメニューを用いた電子黒板インタフェースの開発と評価
  • マルチタッチ ト パイメニュー オ モチイタ デンシ コクバン インタフェース ノ カイハツ ト ヒョウカ

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Abstract

Direct-touch interfaces such as touch-sensitive electronic whiteboards are effective for educational use because of their intuitiveness and interactivity. However, the fact that the presenter's hands cannot avoid appearing on the screen causes two serious problems. First, the presenter's hand movement for manipulation tends to distract the audiences' attention from contents. Second, the presenter tends to occlude contents. In this paper, we developed a new electronic whiteboard system with multi-touch gestures and a special pie menu interface. This pie menu is shown behind the presenter's palm and thus invisible to the audience. It allows both novice and expert users to manipulate the contents and minimizes distraction of the audience's attention on the contents. A series of quantitative evaluations show the effectiveness of our system.

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