You can enable detection of objects, license plates and face recognitions. If you want to use face recognition, upload photos of the faces for which you want to perform face recognition. This is done directly in the face detection settings.
During object detection, information is recorded in the event log. Names of persons, license plates of cars and recognized objects are recorded in the log.
In this case, the load of CPU or GPU graphics card may increase. Therefore, for a large number of cameras, it is recommended to correctly calculate the parameters of the required computer.