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This is a demonstration of Elliptic Labs' ultrasound technology.
TI's IWR mmWave sensors can be used to detect and recognize gestures such as a swipe or twirl with high-accuracy.
We present Pyro, a micro thumb-tip gesture recognition technique based on thermal infrared signals radiating from the fingers. Pyro uses a compact, low-power passive sensor, making it suitable for wearable and mobile applications. To demonstrate the feasibility of Pyro, we developed a self-contained prototype consisting of the infrared pyroelectric sensor, a custom sensing circuit, and software for signal processing and machine learning. A ten-participant user study yielded a 93.9% cross-validation accuracy and 84.9% leave-one-session-out accuracy on six thumb-tip gestures. Subsequent lab studies demonstrated Pyro’s robustness to varying light conditions, hand temperatures, and background motion. We conclude by discussing the insights we gained from this work and future research questions.
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𝗥𝗲𝘃𝗶𝗲𝘄𝘀 | 𝗘𝗹𝗹𝗶𝗽𝘁𝗶𝗰 𝗟𝗮𝗯𝘀 𝗚𝗲𝘀𝘁𝘂𝗿𝗲 𝗖𝗼𝗻𝘁𝗿𝗼𝗹 𝗗𝗲𝗺𝗼 𝗮𝘁 𝗠𝗼𝗯𝗶𝗹𝗲 𝗪𝗼𝗿𝗹𝗱 𝗖𝗼𝗻𝗴𝗿𝗲𝘀𝘀 𝟮𝟬𝟭𝟴
Elliptic Labs has been showing off a brand new utility for its ultrasound-based gesture era at MWC in Barcelona, and we stuck up with the company to get a demo. The concept is that smart speakers with ultrasound digital sensor technology inner can locate the presence of people and respond to a variety of gestures.
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