4
•
C4-1280-GigE Camera Hardware Reference Manual Rev. 1.4
Geometry 3
The camera views the object under an angle
α
, while the laser line is projected under a different
angle
β
.
The height resolution can be approximated
:
∆
Z
≈
∆
X * cos(
β
) / sin(
α
+
β
)
,
in case
α
=
β
(direct reflex) :
∆
Z
≈
∆
X / 2* sin(
α
)
α
β
Geometry 4
The camera views the object under an angle
α
, while the laser line is projected under a different
angle
β
at the camera side.
The height resolution can be approximated
:
∆
Z
≈
∆
X * cos(
β
) / sin(
α
-
β
)
,
α
β
