smart security system
g. , sending alerts, timeline events, etc. and receiving user edits and zone definitions and the like a server database 316, including but not limited to: a data storage database 3160 for storing data associated with each electronic device e. g. , each camera of each user account, as well as data processing models, processed data results, and other relevant metadata e. g. , the doorbell camera 106 of a smart home environment 100. The doorbell camera 106 has a field of view of an entryway of the smart home environment 100. The motion stream is a video stream depicting movement or information regarding amount of motion in a scene. The server 164 determines based on an analysis of the motion stream that a visitor is approaching the entryway, and performs a facial recognition operation based on one or more frames of the motion stream. The server 164 then determines based on an outcome of the facial recognition operation whether the person is known to the smart home environment.