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But the process of making these changes can cause inherent safety risks. Your walls are being torn down and your property is being swarmed with strangers each day. That’s why adding security cameras during construction, or re positioning your current ones to monitor the work area, can be very helpful. Here are 7 reasons you should use surveillance cameras during construction. Finding safety issues Reviewing the surveillance footage from the construction area can help you identify safety weak points caused by the work. If there is a massive hole in the wall facing the street, that can be an enticing entryway for potential burglars.compare security system
In some implementations, face recognition is only conducted after a user press on the doorbell button is detected. Alternatively, in some implementations, face recognition is conducted before a user press on the doorbell button, and triggers a process to monitor and detect the user press on the doorbell button. Specifically, a motion stream is obtained from a camera 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. A time window is initiated in response to the determination that a visitor is approaching, and the time window is optionally predefined to correspond to a reasonable amount of time for the visitor to complete approaching/reaching the entryway. During the time window, the server 164 obtains contextual information from one or more sensors of the smart home environment 100, and determines whether an action from the visitor e.