12
Adjust the height, angle of depression and vertical angular fi eld of view of the camera so that the angle between the camera
•
and face ("
θ
" in the illustration) becomes 15 ° or less.
Example of camera adjustment (When shooting a person whose height is 170 cm {5.58 feet})
Height
Angle of depression
Vertical angular field of view
(Zoom ratio)
Distance between the camera
and a person
2.3 m [7.55 feet}
10 °
12 ° (6x)
3.3 m - 8.5 m
{10.83 feet - 27.89 feet}
2.3 m [7.55 feet}
15 °
18 ° (4x)
3.0 m - 5.5 m
{9.84 feet - 18.04 feet}
When the face matching function is activated by the setting, the settings for Camera 1 will automatically be changed as fol-
•
lows. Refer to the operating instructions of the connected camera for further information.
Video encoding format
H.264
Image capture size
1280×960
Frame rate
5 ips
Max bit rate (per client)
4096 kbps (as indication)
Refresh interval
1 s
Super Dynamic
Off
Adaptive black stretch
Off
Back light compensation (BLC)
Off
Shutter speed (Light control mode)
1/250 fix
AGC
On(High)
Black & white mode
Off
DNR
Low
Face detection
On
By masking an area with remarkable luminance change, it is possible to shoot images on which faces can be recognized
•
more accurately.
When shooting images on a place where strong light sources may affect from outside, the following settings can reduce the
light influence.
Camera
Angle of depression
Camera
Person
Vertical angular
field of view
θ
(Angle between the
camera and face)
Height
Glass
<Example of image (Near the entrance)>
<Example of mask area setting for the image>
Poster
Around the poster Not masked Masked (White)