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Extended configuration – Leuze electronic webConfig tool
Leuze electronic
LSIS 472i
36
9.3.7 Configuring the BLOB analysis
The centroid of the marking for the display in the image is ascertained via the BLOB analysis.
Select
CONFIGURATION > PROGRAMS
.
Select the active check program (
Rack Near
or
Rack Far
).
BLOB segmentation
Select
CONFIGURATION > PROGRAM > Tools > BLOB > Segmentation
.
The
BLOB segmentation
dialog is displayed.
Figure 9.8:
BLOB segmentation
dialog
Set the attributes for BLOB segmentation according to the requirements of the application.
Under
Binarization
, set the type of marking:
Hole:
Dark objects
Reflector:
Bright objects
BLOB attributes
Select
CONFIGURATION > PROGRAM > Tools > BLOB > Attributes
.
The
BLOB prefiltering
dialog is displayed.
NOTICE
Adjust exposure time and focus if the distance is changed!
If the distance for the check program (
Rack Near
or
Rack Far
) changes in the application, the exposure
time and focus must be checked or adjusted.
When adjusting the focus, the same value must be set for the
Rack Near
and
Rack Far
check pro
-
grams.
For two compartments with different distances, use the mathematical average of the distances as the
focal distance.
The display for the marking must lie completely in the capture range (blue frame).