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Facilitating gaze interaction using the gap and overlap effects

Published: 27 April 2013 Publication History

Abstract

Many results from psychophysics have indicated that the latency of saccadic eye movements is affected by how new visual stimuli is presented. In this paper we show how two such results, known as the gap effect (GE) and overlap condition (OC), can be used to improve gaze interaction. We have chosen a dwell time based eye typing application, since eye typing can be easily modeled as a sequence of eye movements from one key to the next. By modeling how dwell time selection is performed, we show how the GE and OC can be used to generate visual feedback that facilitates the eye movement to the next key. A pilot experiment was conducted in which participants had to type short phrases on a virtual keyboard using 2 different visual feedback methods, one traditional feedback based on animation and a new feedback scheme using the GE and OC. Results show that using a feedback that exploits these phenomena facilitates eye movements and can improve eye typing user experience and performance.

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Cited By

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  • (2015)A mathematical model of saccadic reaction time as a function of the fixation point brightness gainAttention, Perception, & Psychophysics10.3758/s13414-015-0902-977:6(2153-2165)Online publication date: 12-May-2015

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  1. Facilitating gaze interaction using the gap and overlap effects

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    cover image ACM Conferences
    CHI EA '13: CHI '13 Extended Abstracts on Human Factors in Computing Systems
    April 2013
    3360 pages
    ISBN:9781450319522
    DOI:10.1145/2468356
    Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.

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    Published: 27 April 2013

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    Author Tags

    1. eye typing
    2. gap effect
    3. gaze interaction
    4. overlap condition

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    CHI EA '13 Paper Acceptance Rate 630 of 1,963 submissions, 32%;
    Overall Acceptance Rate 6,164 of 23,696 submissions, 26%

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    • (2015)A mathematical model of saccadic reaction time as a function of the fixation point brightness gainAttention, Perception, & Psychophysics10.3758/s13414-015-0902-977:6(2153-2165)Online publication date: 12-May-2015

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