Overview: Video surveillance in building automation systems (BAS) in smart buildings- integrates security cameras with other building management functions like access control, lighting, and HVAC (heating, ventilation, and air conditioning) .This integration shifts surveillance from a standalone security measure to a connected system that helps manage building operations efficiently and proactively. 

Key Concepts and Integration

  • Integrated Platform: Instead of operating as separate systems, surveillance cameras share data with the central BAS platform. This connectivity allows different systems to “talk” to each other.
  • Data Sharing: Data from various sensors (motion detectors, door contacts, temperature sensors) can trigger surveillance actions, and vice-versa.
  • Automation: The system automates responses to events. For example, if a fire alarm is triggered, the system can automatically direct nearby cameras to the area and provide live feeds to first responders. 

Primary Functions and Benefits

  • Enhanced Security & Safety: Real-time monitoring deters security incidents and provides critical information during emergencies [3]. The system can detect anomalies, such as an object left behind in a public area, and alert security personnel.
  • Operational Efficiency: Surveillance data can be used for more than just security. It helps optimize space utilization, manage occupant flow, and automate facility services. For instance, cameras in a meeting room can signal the BAS that the room is empty, prompting the system to turn off lights and adjust the temperature.
  • Proactive Maintenance: Video analytics can identify potential maintenance issues, such as a flickering light or a blocked entryway, allowing for timely repairs before major problems arise .
  • Forensic Analysis: Recorded footage provides valuable documentation for investigating incidents, ensuring accountability, and improving future security protocols. 

Technologies Used

  • IP Cameras: Modern systems primarily use internet protocol (IP) cameras that transmit data over a network, making integration with the BAS platform straightforward.
  • Video Analytics: Artificial intelligence (AI) and machine learning (ML) are increasingly used to analyze video feeds automatically. This technology allows the system to recognize specific events, count people, identify anomalies, and reduce reliance on constant human monitoring.
  • Cloud & Edge Computing: Data processing can occur locally on the device (edge computing) or be stored and analyzed in the cloud, improving speed and scalability. 

By integrating video surveillance, smart buildings can create a more responsive, efficient, and secure environment