Camera Image Input FH
66
FH/FZ5 Processing Item Function Reference Manual
Calibration (Camera Image Input FH)
By setting the calibration, the measurement result can be converted and output as actual dimensions. The
calibration method is selected here.
There are three calibration methods, point, sampling, and parameter.
• Reference: Specifying Points and Setting (Point Specification) (p.66)
• Reference: Setting Calibration through Sampling Measurement (Samp
ling) (p.67)
• Reference: Inputting and Setting Values (Value Setting) (p.69)
• Reference: View Calibration Parameters (p.70)
Specifying Points and Setting (Point Specification)
This is a method for performing calibration by selecting arbitrary points (in pixels).
Calibration parameters are calculated automatically when actual
coordinates of selected locations are entered.
Up to 3 points can be selected.
1 In the Item Tab area, click [Calibration].
2 In the "Calibration setting" area, select
"Specify point".
3 Click the first point on the screen.
• In order to output measurement values in actual dimensions, select [Calibration] to "ON" in [Output parameter] for each
processing unit. If [Calibration] is "OFF" (factory default), measurement results are output as camera image coordinate
values.
• When magnification is the same in
the X and Y directions
Select only 2 points.
• When magnification is not the same in the X and
Y directions
Select 3 points.
• When 2 points are selected, the coordinate system is set to the left-hand system (forward in the clockwise direction).
Select 3 points to perform calibration including the coordinate system.
Calibration
X : Y = 1 : 1
X : Y = 1 :
X : Y = 1 :
X : Y = 5 : 3
Calibration
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