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FIFE-500 MAX Narrow Web Guide
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CHAPTER 4
DLS-8 NORMAL MODE
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Click this button to edit the parameters of similarity.
If there are multiple lines or edges in the field of view or interference lines, it is
recommended to set similarity 1 and similarity 2 to improve the sensor's filtering
of non-targets.
If there are multiple lines or edges or interference lines within the field of view , it
is recommended to set the values of similarity 1 and similarity 2 to improve the
filtering performance of the sensor for these lines.
Click this icon to see the instructions about Similarity.
Similarity 1 and similarity 2 represent the percent of tolerance
range of the feature value of the target calibrated by the user,
ranging from 0 to 100. similarity 1 represents the tolerance
range of the target gray value, and similarity 2 represents the
tolerance range of the target profile.
Example: Similarity 1is set to 20,which means that a line or
edge within ±80% deviation from the target gray value is
considered a target line or edge, and a line or edge beyond
±80% deviation is considered a non-target line or edge, and
Similarity 2 is set to 30,which means that a line or edge within
±70% deviation from the target profile value is considered a
target line or edge, and a line or edge beyond ±70% deviation
is considered a non-target line or edge.
If similarity 1 or similarity 2 is set to 0, the target grayscale
value or contour feature value will not be judged. When there is
only a single line or edge in the field of view, it is
recommended that Similarity 1 and Similarity 2 be set to 0.
If similarity 1 and similarity 2 are set to 100, the target
grayscale and profile feature values must be exactly the same
as the target at the calibration, otherwise the target is
considered missing. (The value of similarity is not
recommended to be set too high, otherwise the probability of
the sensor detecting a non-target line or edge will also be
high, and it is generally not recommended to set it to 100)