System, network, method and computer program for controlling a re-baselining of a network device being part of the network

A re-baselining control system for controlling a re-baselining of a network device being part of a network of network devices, wherein the re-baselining refers to determining a new baseline for detection of a subject in a detection area, wherein the new baseline is determined based on a detection signal detected by the network device and/or detected by other network devices being part of the network, wherein the re-baselining control system comprises:

• a detection signal providing unit for providing a detection signal detected by the network device and/or by other network devices being part of the network in the detection area, wherein the detection signal is indicative of a presence or absence of a subject in the detection area and is usable for determining a baseline,
• a quality criterion checking unit for checking if a predetermined quality criterion for a re-baselining is fulfilled based on the provided detection signal, and
• a re-baselining unit for controlling the network device to re-baseline only if the predetermined quality criterion is fulfilled;
• wherein the re-baselining control system further comprises a signal initiating unit, wherein the signal initiating unit is adapted to initiate a user perceptible output from the network device or a device connected to the network device via the network to notify a potential subject in the detection area of an intention to re-baseline,
• wherein the quality criterion checking unit is adapted to check as predetermined quality criterion if a change is detected between the detection signal detected before the user perceptible output and the detection signal detected during and/or after the user perceptible output that indicates the presence of a subject in the detection area.