Example: Main Roi And 3 Sub-Rois - Siemens SIMATIC VS120 Operating Instructions Manual

4.6.1

Example: Main ROI and 3 sub-ROIs

Example: Main ROI and 3 sub-ROIs
Task description: The task is to check whether the Siemens logo was printed completely.
Parameter assignment
Parameter name
Task
scaling
Precision
Model. type
• The sub-ROIs can be set with the precision Fine1 since the pattern windows are small.
• Fine3 should, however, be selected for the main ROI otherwise the processing time will
Vision Sensor SIMATIC VS120
Operating Instructions, Edition 02/2006, A5E00757507-01
This ensures that no details are lost.
take too long. In this case, the selection of the precision (Fine1, Fine2 or Fine3) has no
effect on the quality value of the result.
Main ROI
Find (default)
Fixed
Fine3
Edges (default)
Image processing
4.6 Main ROI and sub-ROI
In the image on the left, you can see
the edges marked for sub-ROI3. The
main ROI is the large window, while
sub-ROI1 encompasses "SIE" and
sub-ROI2 encompasses "ME".
Sub-ROI 1, 2 and 3
Find (default)
Fixed (default)
Fine1
Edges (default)
4-9