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Qualcomm’s Snapdragon 845 focuses on AI, VR and battery life

Qualcomm teased its new flagship smartphone chip at day one its Summit in Maui, and as expected, the company’s got a lot more to offer us on day two. The Snapdragon 845 is the latest premium processor, due out next year. And like its predecessor, the 835, you can expect the thing to be nearly ubiquitous on 2018’s flagship handsets — not to mention a few Windows PCs. As… Read MoreRead more

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Vital Labs’ app can measure changes in your blood pressure using an iPhone camera

If a twinkle in the eye of a venture capitalist could predict the longevity of a startup, Vital Labs is going all the way. During a quick demo of the Burlingame, Calif.-based startup’s app, called Vitality, True Ventures partner Adam D’Augelli’s enthusiasm was potent. The company, which emerges from stealth today, is pioneering a new era of personalized cardiovascular healthcare, he said. Vitality can read changes in a person’s blood pressure using an iPhone’s camera and graphics processing power. The goal is to replace blood pressure cuffs to become the most accurate method of measuring changes in blood pressure and eventually other changes in the cardiovascular system. The app is still in beta testing and is expected to complete an official commercial rollout in 2019. The technology relies on a technique called photoplethysmography. By turning on the light from a phone’s flash and placing a person’s index finger over the camera on the back of the phone, the light illuminates the blood vessels in the fingertip and the camera captures changes in intensity as blood flows through the vessels with each heartbeat. This technique results in a time-varying signal called the blood-pulse waveform (BPW). The app captures a 1080p video at 120 frames per second and processes that data in real time using the iPhone’s graphics processing unit to provide a high-resolution version of a person’s BPW. The startup was founded by Tuhin Sinha, Ph.D., the former technical director for UCSF’s Health eHeart Study. He’s been working on the app for several years. “Part of the reason this project strikes a chord with me is because if I look at the stats of my own family, I probably only have 20 years left,” Sinha told TechCrunch. “Most people on my dad’s side of the family have passed away before 60 from cardiovascular disease.” Prior to joining UCSF, Sinha was an instructor at Vanderbilt University and the director of the Center for Image Analysis, where he directed and developed medical image analysis algorithms. He linked up with True Ventures in June 2015, raising a total of $1 million from the early-stage venture capital firm. “[Sinha] saw an opportunity to improve a stagnant practice and invented a new approach that takes full advantage of today’s technologies,” True’s D’Augelli said in a statement. Three years after that initial funding, Sinha says Vital Labs is looking to raise another round of capital with plans to create additional digital tools to advance cardiovascular health.

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