Person Detection for an Orthogonally Placed Monocular Camera

Table 1

Parameters of the video recording experiments. For each experiment, a location, lighting conditions, number of frames, mean distance between persons , and minimal and maximal distances between a head and the sensor, and , are specified. Note that individual persons can be present in multiple frames in different positions.

Location	Light	No. of frames
Outdoors	Ambient, strong	1720	0.00–0.50	1.2	1.6
Indoors	Ambient, strong	1700	0.25–0.75	0.6	1.8
Indoors	Ambient, weak	1400	0.25–0.75	0.4	1.4
Indoors	Artificial, weak	1200	0.50–1.00	0.2	1.0