科学美国人60秒:智能手杖脸部识别功能帮助盲人

　　科学美国人60秒中文翻译：

　　Foldable white canes help the visually impaired navigate their surroundings. 可折叠的白色手杖能够帮助盲人探知周围环境。

　　But the guide stick's tactile nature offers only so much information. 但这种导航手杖的触觉特性只能提供这样的信息。

　　The cane's user must manually find and avoid obstructions. 手杖的使用者必须自己进行感知避免被撞到。

　　But new high-tech canes are on the horizon. 但最新型的高科技手杖即将问世。

　　Last year researchers in India tried to fill in some of the missing info with their experimental Smart Cane. 去年印度的研究人员们试图在他们研发实验的智能手杖中加入遗失的信息。

　　The device uses an attached ultrasonic transmitter and a sensor that vibrates the cane to warn its users when an obstacle is within three meters. 这种手杖安装了超声波发射器和传感器，3米之内出现障碍物时就会通过振动向手杖主人发出警报。

　　Students at the U.K.'s Birmingham City University are developing a cane that can even identify acquaintances as they approach. 而英国伯明翰城市大学的学生们正在研发一种熟人走近就将可以进行识别的新手杖。

　　Called the XploR mobility cane, 学生们为这款手杖起的名字是XploR机动手杖。

　　it includes an embedded digital camera that analyzes the faces of people walking by and compares their images against a database stored on a memory card in the cane's handle. 这款的手杖包含一台分析过路人面孔的嵌入式数码相机，而后与手柄内部的存储卡数据库中的图片进行对比。

　　If there's a facial recognition match,the cane alerts the user's smartphone via Bluetooth. 如果面部识别相匹配，手杖就会通过使用者智能手机上的蓝牙进行提醒。

　　The phone then identifies the approaching person to the user via its speaker or earbuds. 然后智能手机通过扬声器或耳机提醒使用者辨识熟人身份。

　　The students are building a prototype they'll test later this year. 目前学生们正在研发这款设备的原型，预计今年晚些时候会进行相关测试。

　　The hurdles are significant: 而且他们目前面临很多难题：

　　facial recognition is a tough problem, especially outdoors. 因为面部识别是很困难，尤其是在户外。

　　But if the XploR works,it could actually give the visually impaired a leg up on everyone else—especially those of us who never remember people's names. 但如果XploR行之有效，这款手杖可能会在很大程度上帮助到盲人—尤其是那些总是记不住别人名字的人。

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