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Detecting finger motions and pulse by using the wearable motion detecting system. (a) An image of wearable motion detecting system; (b) Images and illustrations of four ASL signs. (A, J, O, U); (c) Plots representing signals from each finger. (red: little, blue: ring, green: middle, yellow: ring, pink: thumb) Scale bar = 3 cm; (d) Images of pulse signal sensing system. Scale bar = 3 cm; (e) A plot representing the pulse signal according to time.
