Video Analytics for Distinguishing Persons Separated by Perimeter

In a video analytics system for people counting, a room setup where the perimeter of the room is imaginary can degrade the performance of the system. An ordinary video analytics system will count not only persons inside the room, but also persons outside the room, because they are both visible to the system. Building an AI system that can separate the persons inside and outside the room is difficult because they are overlapping as illustrated in the following figure.