Rule two: If there is no turnstile, at first, mount the cameras in one line, and make sure the
cameras have the same focal length. Then, keep a proper distance between each camera
according to the overlap (see the yellow area below) of the adjacent two cameras’ counting
width. The suggested overlapping length is between 0.2-0.5m.
Sketch map of multiple cameras installation
Notice
1) People flow should be in vertical up-and-down direction
Passenger flow in horizontal direction (wrong)
Passenger flow in slant direction (wrong)