CPC G06F 3/017 (2013.01) [G06F 1/163 (2013.01); G06F 3/014 (2013.01); G06V 40/28 (2022.01)] | 20 Claims |
1. A system, comprising:
a wearable device configured to be worn along a portion of an arm, the wearable device including:
a transmitting antenna configured to transmit a pulse of transmitted electromagnetic radiation toward the portion of the arm, and
a receiving antenna configured to receive reflected electromagnetic radiation reflected from the portion of the arm in response to the transmitted electromagnetic radiation being incident on the portion of the arm;
wherein the reflected electromagnetic radiation includes a background component and a foreground component, the background component indicating whether the receiving antenna is activated for determining a gesture, the foreground component indicating the gesture is performed in response to the receiving antenna being activated.
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