According to Technical Insights, video surveillance applications have been vitalized by the power of digital processing and storage. The move to digital format facilitates the adoption of the Internet for remote monitoring, smart sensors, wireless networks and the integration of intelligent software such as facial recognition and others.
The addition of infrared thermal sensors, movement detection, frame grabbers, spectral analyzers and behavior interpretation has energized the basic security system. Streaming video goes over the Internet and cameras are remotely controlled. Very small wireless camera systems can be anywhere.