
In recent years, thanks to the rapid development of networking devices, high performance and high-definition IP
cameras are installed in every corner in metropolitan areas with ease and simplicity. By analyzing real-time or recorded
video images received, the government can fight against violence or any sort of terrorist attacks in a more efficient and
effective way with less cost and manpower supports. However, when it comes to highway surveillance implementation,
the situation becomes more complex. Unlike surveillance implementation in urban areas, highway runs across many
cities. Thus, frequent policeman patrolling is not realistic since it needs more manpower supports and is not efficient
enough when an emergent event occurs. Before setting up a successful highway surveillance implementation, there are
several challenging factors we need to take into account.