| CPC G06V 20/52 (2022.01) [G06F 1/26 (2013.01); G06V 40/103 (2022.01)] | 17 Claims |

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1. A method comprising:
causing, by a controller of a device, at least one processor of the device distinct from the controller to power on in response to receipt of a signal from a sensor of the device configured to detect motion within a field of view;
after receiving the signal from the sensor, booting, by the at least one processor, a real-time operating system;
analyzing, by the at least one processor, one or more images from an image sensor of the device to identify an image of a person;
sending, by the at least one processor, a trigger to a base station in response to identification of the image of the person;
after booting the real-time operating system, causing, by the at least one processor, an audible alarm to sound; and
booting, by the at least one processor, a multitasking operating system of the device after sending the trigger to the base station and after causing the audible alarm to sound.
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