HaptiCase: Back-of-Device Tactile Landmarks for Eyes-Free Absolute Indirect Touch

HaptiCase: Back-of-Device Tactile Landmarks for Eyes-Free Absolute Indirect Touch
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HaptiCase:设备背面触觉标志,实现无需眼睛的绝对间接触摸

DOI:
10.1145/2702123.2702277
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发表时间:
2015
期刊:
Proceedings of the 33rd Annual ACM Conference on Human Factors in Computing Systems
影响因子:
--
通讯作者:
J. Borchers
J. Borchers
中科院分区:
--
文献类型:
--
作者:
C. Corsten;C. Cherek;T. Karrer;J. Borchers

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使用智能手机进行触摸输入来控制镜像到远处屏幕的应用程序和游戏是困难的,因为用户在观看远处显示器时无法看到她触摸的位置。我们提出了HaptiCase,一种交互技术,它提供了设备背面的触觉地标,用户用她的手指来估计她的手指相对于触摸屏的位置。通过将位于触摸屏上方的拇指捏到后面的手指,当拇指触摸屏幕时,手指位置被转移到前面。在一项研究中,我们比较了不同地标布局与常规无地标移动终端的触摸性能。在3x 5网格上使用点的地标设计显著提高了裸眼点击精度,并允许目标小至17.5 mm--目标尺寸减少14%--覆盖99%的所有触摸。当用户可以看到触摸屏时,地标对性能没有显著影响。HaptiCase成本低,不需要电子设备,并且可以使用未经修改的软件。
Using a smartphone for touch input to control apps and games mirrored to a distant screen is difficult, as the user cannot see where she is touching while looking at the distant display. We present HaptiCase, an interaction technique that provides back-of-device tactile landmarks that the user senses with her fingers to estimate the location of her finger in relation to the touchscreen. By pinching the thumb resting above the touch- screen to a finger at the back, the finger position is transferred to the front as the thumb touches the screen. In a study, we compared touch performance of different landmark layouts with a regular landmark-free mobile device. Using a land- mark design of dots on a 3x5 grid significantly improves eyes-free tapping accuracy and allows targets to be as small as 17.5 mm---a 14% reduction in target size---to cover 99% of all touches. When users can look at the touchscreen, land- marks have no significant effect on performance. HaptiCase is low-cost, requires no electronics, and works with unmodified software.
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