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Internet of Things (IoT) has emerged with a motive to automate the human life. It can be visualized as a network of connected things which is capable of providing intelligent services. This paper presents an IoT based security surveillance system in buildings using Raspberry Pi Single Board Computer (SBC) and NodeMCU (WiFi/IoT module). This system comprises of wireless sensor nodes and a controller section for surveillance. Intrusion detection with face detection and recognition, fire detection, remote user alerts, live video streaming and portability are the prime features of the system. The use of face recognition feature in intrusion detection makes the system more efficient by identifying the known and unknown person in restricted areas. WiFi module processes the sensor based events and sends the sensor status to controller section. Upon receiving the event notification, the controller enables the camera for capturing the event, alerts the user via email, phone call and Short Message Service (SMS) and places the live video of event on webpage. The use of WiFi module makes the node compact, cost effective and easy to use. The biggest advantage of the system is that the user can seek surveillance from anywhere in the world and can respond according to the situations.
Sruthy. et al. (Mon,) studied this question.