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Texting while driving can be deadly. Talking on the phone while walking is also deadly, or at least threatening enough. Researchers at Dartmouth College in America and the University of Bologna in Italy thought it necessary to develop a smartphone app that can make those things safer.
開車時發短信可能招致性命之憂，走路時打電話同樣會致命，至少這樣做是非常危險的。來自美國達特茅斯學院和意大利博洛尼亞大學的研究人員認為有必要開發一款智能手機應用程序，讓上述事情變得更為安全。
Their Android app uses machine learning and image recognition, which takes place right on your phone to alert you when you're chatting your way right into an oncoming smash-up.
他們所開發的安卓系統應用程序使用機器學習和圖像識別技術。當重大的交通事故即將發生時，該程序會在你的手機上發出警報，提醒正在聊天的你。
The app uses the outward facing camera on a smartphone to help a pedestrian look both ways (at least one way). Using vision algorithms built into the app, the system determines which way cars on the roadway are facing and whether or not they are moving. Then it takes into account the tilt of the phone and varies light conditions to establish an accurate picture of the roadway. Therefore, it figures out if any approaching vehicle is a threat to the user.
該程序借助智能手機的外置攝像頭幫助行人觀察左右兩側的路況（至少是一側）。系統可以利用程序中的視覺計算公式來判斷路上車輛行駛的方向和它們的行駛狀況。然后系統將考慮手機的傾斜程度，調節光線，形成路面交通狀況的真實圖像，由此推斷正在靠近的任何車輛是否會對機主造成威脅。
The app, known as WalkSafe, can detect cars moving 30 miles per hour at more than 160 feet. While a careless user is on jaywalking and talking on the phone, the app can be very useful. It warns the user via auditory and vibrating alerts before he or she is struck down by a moving car at high speed.
該程序被命名為WalkSafe，能探測到160英尺（約48米）開外的時速為30英里（約48公里）的車輛。當粗心的機主一邊橫穿馬路，一邊打電話時，該程序就會派上用場。它能在飛馳的汽車撞上機主之前發出聲音和震動示警。
Unless a car is coming from another direction, the app can really improve safety. However, it's worth noting that despite the cleverness of WalkSafe, you shouldn't completely trust it with your life. It's not meant to replace our common sense and attention.
該系統確實能提高安全系數，除非汽車從另一個方向駛來。然而，值得一提的是，盡管WalkSafe很聰明，但你不能將自己的性命完全托付于它。WalkSafe并非是我們的常識和注意力的替代品。
