Adept AdeptSight User Guide - Manual (Page 489)

Contrast Polarity - Model, Normal, and Reverse
Normal And Reverse
Enables the Locator to search for all cases that present either Normal or
Reverse polarity. This will not take into account cases where polarity is reversed
at various locations along the edges of an object.
Do Not Care
Detects complete contrast reversal, as well as local contrast reversal, on sec-
tions of the object contour, such as shown in the "checkerboard background" of
the following example.
Contrast Polarity - Local Changes in Polarity
Contrast Threshold
Contrast Threshold sets the minimum contrast needed for an edge to be detected in the
input image. The threshold value expresses as the step in grey-level values required to detect
contours. This threshold can be set to Low, Normal, High, or a fixed value.
Configuring Locator Properties - Advanced
AdeptSight User's Guide, Version 3.2.x, Updated: 8/23/2012
Page 489