Omron FH-3 Series Reference Manual page 300

Setting item
Measure type
Density change
Edge No.
Edge Upper
Edge Lower
5
If necessary, set each item in the "Noise
removal" area.
Setting item
Noise level
Noise width
Filter strength
298
Intersection
Setting value
[Factory default]
As the measurement type, select either projection or derivation.
• [Projection] Reference: "Appendixes Measurement Mechanism Edge
• Derivation Detection Method" in the "Vision System FH/FZ5 Series User's
Manual (Z365)"
• Absolute value
(only when the
Select whether a black-to-white change or a white-to-black
measurement method is
change should be recognized as a density change in the
"Derivation")
specified region.
• [Light → Dark]
• Dark → Light
Set the edge number used to extract edges.
0 to 99 Edge numbers are assigned to detected edges starting from 0
[0] and in the direction from the start point (the arrow) to the end
point (the arrow point) in the selected region.
• Position (%) for
Set the density change level to be detected as edges.
width of a density
The upper limit of edges can be set only when the
0 to 100
measurement method is "Derivation".
[50] to [100]
Reference: "Appendixes Measurement Mechanism Edge
• Value (255 at the
Detection Measurement" in the "Vision System FH/FZ5 Series
maximum) of density
User's Manual (Z365)"
[20] to [255]
Setting value
[Factory default]
0 to 442
[5]
0 to 9999
[0]
0 to 100
[0]
Description
Description
When detection is affected by noise, increase this value.
Reference:  "Appendixes Measurement Mechanism Noise
Level" in the "Vision System FH/FZ5 Series User's Manual
(Z365)"
Set the width for judging noise.
When detection is affected by noise, increase this value.
Reference: "Appendixes Measurement Mechanism Noise
Width" in the "Vision System FH/FZ5 Series User's Manual
(Z365)"
Set the filter strength.
Specifying a larger value here makes the change in color
difference (density) distribution more gradual.
FH/FZ5 Processing Item Function Reference Manual