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移动手持环境下触摸式目标选择技术对比

DOI: 10.11834/jig.20150213

Keywords: 人机交互,触摸输入,交互技术,目标选择,移动手持触摸设备

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Abstract:

目的触摸输入方式存在"肥手指"、目标遮挡和肢体疲劳现象,会降低触摸输入的精确度.本文旨在探索在移动式触摸设备上,利用设备固有特性来解决小目标选择困难与触摸输入精确度低的具体策略,并对具体的策略进行对比.方法结合手机等移动式触摸设备所支持的倾斜和运动加速度识别功能,针对手机和平板电脑等移动式触摸输入设备,实证地考察了直接触摸法、平移放大法、倾斜法和吸引法等4种不同的目标选择技术的性能、特点和适用场景.结果通过目标选择实验对4种技术进行了对比,直接触摸法、平移放大法、倾斜法、吸引法的平均目标选择时间,错误率和主观评价分别为(86.06ms,62.28%,1.95),(1327.99ms,6.93%,3.87),(1666.11ms,7.63%,3.46)和(1260.34ms,6.38%,3.74).结论3种改进的目标选择技术呈现出了比直接触摸法更优秀的目标选择能力.

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