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首页> 外文会议>18th world congress on intelligent transport systems : Featuring its america's annual meeting and exposition >Mobile Accessible Pedestrian Signals (MAPS) For People Who Are Blind
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Mobile Accessible Pedestrian Signals (MAPS) For People Who Are Blind

机译：盲人移动无障碍行人信号（MAPS）

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摘要

People with vision impairment generally have difficulty crossing intersections due to lack ofrntraffic information. The most difficult intersection crossing tasks for this population are locatingrnthe crosswalk, determining when to cross, and maintaining alignment to the crosswalk whilerncrossing. Through our ongoing effort to develop a prototype Mobile Accessible PedestrianrnSignal (MAPS) application for the blind and visually impaired, we interviewed ten blind andrnlow-vision people to better understand the type of information they use at intersection crossingsrnand identified information types that could assist them. With these survey results, a prototypernMAPS is developed that provides signal and intersection geometry information to Smartphonernusers at signalized intersections. User interaction is via simple tactile input (single/double-tap)rnand Text-To-Speech (TTS) interface are used for feedback. In the future, intersections equippedrnwith Dedicated Short Range Communications (DSRC) will advance the capabilities of MAPS tornnext level of mobility and safety applications for people with vision impairment. MAPS can takernadvantage of the low-latency capability of DSRC to coordinate cooperative communicationrnamong pedestrians (waiting at the crossing), traffic signal controllers, and approaching vehicles,rnthereby providing dynamic decision-making support to all travelers, not just the visuallyrnimpaired.
机译：视力障碍的人通常由于缺乏交通信息而难以通过十字路口。对于这个人群，最困难的交叉路口任务是确定人行横道的位置，确定何时交叉以及在交叉路口时保持与人行横道的对齐。通过我们不断的努力为盲人和视障人士开发原型移动无障碍行人信号（MAPS）应用程序，我们采访了十位盲人和弱视人士，以更好地了解他们在十字路口使用的信息类型，并确定了可以帮助他们的信息类型。利用这些调查结果，开发了原型MAPS，该原型可在信号交叉口向智能手机用户提供信号和交叉口几何信息。用户交互是通过简单的触觉输入（单次/双击）进行的，并且文本语音转换（TTS）界面用于反馈。将来，配备有专用短程通信（DSRC）的交叉路口将提高MAPS的功能，从而为视力障碍者提供更高级别的移动性和安全性应用。 MAPS可以利用DSRC的低延迟能力来协调协作通信，包括行人（在过路处等待），交通信号控制器和接近车辆，从而为所有旅行者提供动态决策支持，而不仅仅是视力障碍者。

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