通过蓝牙链接访问常见智能手机应用程序的舌控辅助技术。
Tongue-operated assistive technology with access to common smartphone applications via Bluetooth link.
作者信息
Kim Jeonghee, Park Hangue, Ghovanloo Maysam
机构信息
GT-Bionics Lab, School of Electrical and Computer Engineering at Georgia Institute of Technology, Atlanta, GA, USA.
出版信息
Annu Int Conf IEEE Eng Med Biol Soc. 2012;2012:4054-7. doi: 10.1109/EMBC.2012.6346857.
Tongue Drive System (TDS) is a wireless and wearable assistive technology (AT) that enables people with severe disabilities to control their computers, wheelchairs, and electronic gadgets using their tongue motion. We developed the TDS to control smartphone's (iPhone/iPod Touch) built-in and downloadable apps with a customized Bluetooth mouse module by emulating finger taps on the touchscreen. The TDS-iPhone Bluetooth mouse interface was evaluated by four able-bodied subjects to complete a scenario consisting of seven tasks, which were randomly ordered by using touch on the iPhone screen with index finger, a computer mouse on iPhone, and TDS-iPhone Bluetooth mouse interface with tongue motion. Preliminary results show that the average completion times of a scenario with touch, mouse, and TDS are 165.6 ± 14.50 s, 186.1 ± 15.37 s, and 651.6 ± 113.4 s, respectively, showing that the TDS is 84.37% and 81.16% slower than touch and mouse for speed of typing with negligible errors. Overall, considering the limited number of commands and unfamiliarity of the subjects with the TDS, we achieved acceptable results for hands-free functionality.
舌驱动系统（TDS）是一种无线可穿戴辅助技术（AT），它能让重度残疾人士通过舌头运动来控制电脑、轮椅和电子设备。我们开发了TDS，通过模拟在触摸屏上的手指点击操作，利用定制的蓝牙鼠标模块来控制智能手机（iPhone/iPod Touch）的内置和可下载应用程序。四名身体健全的受试者对TDS-iPhone蓝牙鼠标接口进行了评估，以完成由七个任务组成的一个场景，这些任务通过使用食指触摸iPhone屏幕、iPhone上的电脑鼠标以及通过舌头运动操作的TDS-iPhone蓝牙鼠标接口来随机排序。初步结果表明，使用触摸、鼠标和TDS完成一个场景的平均时间分别为165.6 ± 14.50秒、186.1 ± 15.37秒和651.6 ± 113.4秒，这表明在打字速度方面，TDS比触摸和鼠标分别慢84.37%和81.16%，且错误可忽略不计。总体而言，考虑到命令数量有限以及受试者对TDS不熟悉，我们在免提功能方面取得了可接受的结果。
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