Effects of Method for Displaying Eye-gaze Location and Cursor Indication on Operation Performance and Usability of Eye-gaze Input System for Menu Selection

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  • MURATA Atsuo
    Graduate School of Natural Science and Technology, Okayama University
  • OCHI Keita
    Graduate School of Natural Science and Technology, Okayama University
  • MORIWAKA Makoto
    Graduate School of Natural Science and Technology, Okayama University

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  • 視線位置表示方法とカーソル表示の有無がメニュー選択用視線入力システムの操作性に及ぼす影響
  • シセン イチ ヒョウジ ホウホウ ト カーソル ヒョウジ ノ ウム ガ メニュー センタクヨウ シセン ニュウリョク システム ノ ソウサセイ ニ オヨボス エイキョウ

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Abstract

The adaptive moving average methods for displaying eye-gaze locations were proposed, and the performance was compared with that of the direct eye-gaze display method and the 10-point moving average method. The effects of eye-gaze input operation without cursor indication on the performance and the usability were also explored. As the menu selection seems to be greatly influenced by a way how the gaze-location is displayed as a cursor, the menu selection by means of I-QGSM (Improved-Quick Glance Selection Method) was used. As a result, it was found that the adaptive moving average method was suitable from the perspective of task completion time and pointing accuracy. The task completion time and the error rate of the methods for displaying eye-gaze locations with cursor indication were nearly equal to that without cursor indication. As a result of psychological evaluation on usability, almost all of the participants felt that eye-gaze operation without cursor indication was easier.

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