AutoGain: Gain Function Adaptation with Submovement Efficiency Optimization

要旨

A well-designed control-to-display gain function can improve pointing performance with indirect pointing devices like trackpads. However, the design of gain functions is challenging and mostly based on trial and error. AutoGain is a novel method to individualize a gain function for indirect pointing devices in contexts where cursor trajectories can be tracked. It gradually improves pointing efficiency by using a novel submovement-level tracking+optimization technique that minimizes aiming error (undershooting/overshooting) for each submovement. We first show that AutoGain can produce, from scratch, gain functions with performance comparable to commercial designs, in less than a half-hour of active use. Second, we demonstrate AutoGain's applicability to emerging input devices (here, a Leap Motion controller) with no reference gain functions. Third, a one-month longitudinal study of normal computer use with AutoGain showed performance improvements from participants' default functions.

受賞
Honorable Mention
キーワード
Pointing
Submovement
CD gain functions
Pointer acceleration
Human Performance
Pointing facilitation
著者
Byungjoo Lee
Korea Advanced Institute of Science and Technology & Aalto University, Daejeon, Republic of Korea
Mathieu Nancel
Inria Lille - Nord Europe & CRIStAL & Aalto University, Villeneuve-d'Ascq & Lille, France
Sunjun Kim
Korea Advanced Institute of Science and Technology & Aalto University, Daejeon, Republic of Korea
Antti Oulasvirta
Aalto University, Helsinki, Finland
DOI

10.1145/3313831.3376244

論文URL

https://doi.org/10.1145/3313831.3376244

会議: CHI 2020

The ACM CHI Conference on Human Factors in Computing Systems (https://chi2020.acm.org/)

セッション: Engineering design & modelling

Paper session
312 NI'IHAU
5 件の発表
2020-04-28 20:00:00
2020-04-28 21:15:00
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