Kofax Getting Started with Ascent Xtrata Pro - Manual (Page 497)

Chapter 6
478 Ascent Xtrata Pro User's Guide
Select this option if you want the confidence level to be adjusted as a function of the
distance between the two alternatives. This means that alternatives separated by a
greater distance will have a lower confidence.
Combine original confidence with distance
Select this option if you want to sum the original confidence and the distance. For
example, if the confidence is 80% and the distance is 5mm, then the new confidence
will be assigned for which the new confidence is lower the higher the distance value
is.
Return any alternatives closer than
If you have chosen an option where the distance is taken into account, you may
specify the maximum allowable distance between the alternatives.
Relation Evaluator Dialog Box – Test Tab
Use the Test Results tab to evaluate your settings.