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2-12-(33)
Detecting Binary Defects
Section 2-12
Upper and lower edges: Set the offset width on the Y axis.
Example: To Measure from 2 Pixel-widths Inside the Edge Detection Point
CHECK
The display cursor, which indicates the edge detection point, will also appear
at the set offset width position.
STEP 4: Registering Reference Values
When detecting differences from an acceptable product, reference values
must be registered. Place the acceptable product in the correct position and
register the reference values.
The area and center of gravity are registered for the reference values.
CHECK
The reference values can be changed to enable the following function.
Inspecting Positions from a Specified Point
Once the reference values (area and center of gravity) have been obtained for
the image currently displayed, the reference position is changed to an suitable
point. Position inspection can be performed by calculating the difference
between this reference position and the measurement position.
Y axis
X axis
-
+
+
Left edge (2)
Right edge (-2)
Upper edge (2)
Lower edge (-2)
Measurement region
The value inside the brackets is the offset width.
Reference position
Measurement position (gravity)
changed to a suitable point
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