A system for tracking a presence of persons in a building, a method and a computer program product

摘要

The invention relates to a system for tracking a presence of persons in a building. The system comprises a sensor network a computer system that is communicately connected to the sensor network. The sensor network includes a motion sensor for sensing a person's motion in a room of the building, a door sensor for sensing if a door of the room is opened and/or closed, and a localization sensor for sensing if a person is present at a particular location in the room. Further, the computer system includes a processor is arranged for generating a presence state vector indicating a presence probability value of a person in the room, based on sensor information provided by the sensor network.