Rockwell Automation 5370-OCR2 PAK - Manual (Page 82)

Appendix B
Compensating for Lighting Variations
B–3
4. Select Thresh/Filter to setup the Morphology filters. Setup Morph 1 and
Morph 2 to perform a MAX operation as shown below:
Select All
Boxes for MAX.
5. Return to the Image Tool Edit panel.
6. Set the number of Morph Passes to the number that completely filters out
the characters in the window.
Note: Increasing Morph Passes also increases the processing time.
Morph Passes = 1
Morph Passes = 2
Morph Passes = 3