Installation
Sicore II Installation and Commissioning Guide
667/HB/52600/000 Issue 2 Unrestricted
48
In summary for installation and alignment the critical values required to be determined are:
•
Height (H) – Height of camera above road surface
•
Distance D (D) – Distance along the side of the road from the camera to the centre
of the capture zone
•
Skew (S) – Distance from the camera at the side of the road measured to the
centre of the capture zone
•
Parameter
Description
Default or result value
W
Width of the street or lane to be
captured (at road surface)
Result value: Width of capture zone
measured at the road surface.
W1
Width of the street or lane to be
captured (at plate height)
Result value : Either two lane (7.8m) or
three lane (9.5m) note that these
values are at the licence plate height.
H
Mounting height of Sicore above
road surface
Default value
D
Distance from Sicore to the
horizontal centre line within the
image area
Result value : Take from table
V
Depth of View
Result value : Take from table
V1
Distance to start of Field of View
from Camera
Result value : Take from table
b
Camera Angle for horizontal
Result value : Take from table
F
focal length
12.5, 16, 25 or 35mm for IR camera
DCN
Distance Camera to Number plate
(calculated assuming a plate
50cm above the ground)
Result value : Take from table (driven
by height and skew)
DCS
Distance Camera to Street
Result value : Take from table (driven
by height and skew)
S
Horizontal Shift
Default Value : Driven by pole position
and skew to centre of capture zone
Table 14 - Geometry Acronyms