Recent research proposed eyelid gestures for people with upper-body motor impairments (UMI) to interact with smartphones without finger touch. However, such eyelid gestures were designed by researchers. It remains unknown what eyelid gestures people with UMI would want and be able to perform. Moreover, other above-the-neck body parts (e.g., mouth, head) could be used to form more gestures. We conducted a user study in which 17 people with UMI designed above-the-neck gestures for 26 common commands on smartphones. We collected a total of 442 user-defined gestures involving the eyes, the mouth, and the head. Participants were more likely to make gestures with their eyes and preferred gestures that were simple, easy-to-remember, and less likely to draw attention from others. We further conducted a survey (N=24) to validate the usability and acceptance of these user-defined gestures. Results show that user-defined gestures were acceptable to both people with and without motor impairments.
翻译：最近的研究提议对上体运动障碍者进行眼皮手势(UMI),以便与没有手指触动的智能手机进行互动。然而,这种眼皮手势是由研究人员设计的。仍然不清楚UMI患者希望和能够做的眼皮手势是什么。此外,其他上部颈部部部分(如嘴、头)可以用来形成更多的手势。我们进行了用户研究,17个有UMI的人为26个智能手机共同指令设计了上部颈部手势。我们收集了总共442个用户定义的手势,涉及眼睛、嘴和头。参与者更有可能用他们的眼睛做手势,他们更愿意用他们的眼睛做手势,容易记住,也不太可能引起其他人的注意。我们还进行了一项调查(N=24),以验证这些用户定义的手势的可用性和被接受性。结果显示,用户定义的手势对有和没有运动障碍的人来说都是可以接受的。
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