Improving Target Acquisition for Computer Users With Athetosis.
Improving Target Acquisition for Computer Users With Athetosis.
复制标题
改善手足徐动症计算机用户的目标获取。
DOI：
10.1080/10400435.2014.984260
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发表时间：
2015
期刊：
影响因子：
--
通讯作者：
Riviere,CameronN
中科院分区：
文献类型：
--
作者：
Ding,Dan;Rodriguez,SergioPeral;Cooper,RoryA;Riviere,CameronN
Prior work has highlighted the challenges faced by people with athetosis when trying to acquire on-screen targets using a mouse or trackball. The difficulty of positioning the mouse cursor within a confined area has been identified as a challenging task. We have developed a target acquisition assistance algorithm that features transition assistance via directional gain variation based on target prediction, settling assistance via gain reduction in the vicinity of a predicted target, and expansion of the predicted target as the cursor approaches it. We evaluated the algorithm on improving target acquisition efficiency among seven participants with athetoid cerebral palsy. Our results showed that the algorithm significantly reduced the overall movement time by about 20%. Considering the target acquisition occurs countless times in the course of regular computer use, the accumulative effect of such improvements can be significant for improving the efficiency of computer interaction among people with athetosis.
