Setting correlation threshold – Rockwell Automation 5370-OCR2 PAK User Manual
Page 52
Chapter 5
Creating and Editing Fonts
5–17
The Correlation is the percentage of the pixels required in the inspected
character to match the pixels in the taught character. If the percentage of the
inspected pixels is greater than or equal to the specified correlation
percentage, the inspected character is recognized. The higher the correlation
percentage, the closer the inspected character must match the taught
character to pass.
Clicking the Corr button on the Edit Font panel displays the Correlation
panel:
Drag arrow to change
percentage
To change the correlation percentage:
Drag the arrow up or down. Each time the correlation percentage is changed,
the Test function (See page 5–15) is performed and the characters that
correlate are displayed.
Setting
Correlation Threshold