Rockwell Automation 5370-CVIM2 Module User Manual

Page 195

Advertising
background image

Chapter 6

Reference Tools

6–36

In example (B), the feature image contains fewer sharply defined edges. The
edge pixels in this image will cause minimal matching errors, usually not
enough to require masking. In this case, masking can be disabled.

Figure 6.30 Examples: Masking Needed vs Masking Not Needed

Masking not needed

Masking needed

A

B

Feature

image

Note in Figure 6.29 (page 6–34) that masking is disabled by default. When
masking is enabled, the

button becomes active. When you pick

the

button, the

Thresh/Filter

adjustment panel appears, as shown

in Figure 6.31.

Figure 6.31

Threshold/Filter Adjustment Panel for Masking Function

Advertising