To cope with the ever-escalating complexity of security challenges involving huge flows of people and vehicles, we need something like the fabled omniscient guard, which fortunately has materialized now thanks to deep-learning AI. According to IHS report 2019, the total market value of Professional Video Surveillance Equipment grows to US$27,199.1 million in 2023. In the last couple of years, the market share of AI in the security industry is becoming increasingly remarkable.