包阅导读总结
1. `Pixel Watch 3`、`Loss of Pulse Detection`、`Heart Rate sensor`、`Emergency Services`、`Europe`
2. Pixel Watch 3 将在 9 月于欧洲多国推出 Loss of Pulse Detection 功能，该功能结合传感器、AI 和算法检测脉搏消失，经开发和测试旨在拯救生命，会继续与监管机构合作推广到更多国家。
3.
– Pixel Watch 3 引入 Loss of Pulse Detection 功能
– 工作原理
– 结合传感器信号、AI 和信号处理算法，先由绿光检测脉搏，若有迹象，红外和红光开启，运动传感器启动
– AI 算法确认脉搏消失事件，若未响应触发检查，无响应则触发音频警报和倒计时
– 仍无响应，LTE 手表或关联手机自动呼叫紧急服务并分享位置和无脉搏信息
– 开发和测试
– 因脉搏消失事件紧急且罕见，另寻方式收集数据以开发检测功能
– 可用性
– 9 月在欧洲多国可用，包括英国、法国等，将与监管机构合作拓展到更多国家
思维导图：
文章地址：https://blog.google/products/pixel/pixel-watch-3-loss-of-pulse-detection/
文章来源：blog.google
作者：Tajinder Gadh
发布时间：2024/8/13 17:00
语言：英文
总字数：841字
预计阅读时间：4分钟
评分：87分
标签：健康监测,可穿戴技术,紧急响应,人工智能在医疗,Google Pixel 智能手表 3
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How our Loss of Pulse Detection feature works
Loss of Pulse Detection combines signals from Pixel Watch 3’s sensors, AI and signal-processing algorithms to detect loss of pulse events, with a thoughtful design — built from user research — to limit false alarms. The feature uses signals from the Pixel Watch 3’s existing Heart Rate sensor, which uses green light to check for a user’s pulse.
If the feature detects signs of pulselessness, infrared and red lights also turn on, looking for additional signs of a pulse, while the motion sensor starts to look for movement. An AI-based algorithm brings together the pulse and movement signals to confirm a loss of pulse event, and if so, triggers a check-in to see if you respond.
The check-in asks if you’re OK while also looking for motion. If you don’t respond and no motion is detected, it escalates to an audio alarm and countdown. If you don’t respond to the countdown, the LTE watch or phone your watch is connected to automatically places a call to emergency services, and shares an automated message that no pulse is detected along with your location.
Our goal is to make a difference and contribute towards saving lives. While loss of Pulse Detection won’t detect every loss of pulse event, we believe it can make a meaningful difference, providing help when it counts most to people and their loved ones.
Loss of Pulse Detection will be available on Pixel Watch 3 in September in various countries in Europe, including the U.K., France, Austria, Denmark, Ireland, the Netherlands, Norway, Sweden and Switzerland. We’ll continue working with regulatory bodies to make the feature available in more countries.
How we developed and tested Loss of Pulse Detection
Our goal has been to build a potentially life-saving feature, and to develop it responsibly. Because loss of pulse events are timely but relatively rare emergencies, they can’t easily be observed, reproduced and tested in real-world settings. We had to find other ways to collect enough data to develop the feature to detect true loss of pulse events.
