Kofax Getting Started with Ascent Xtrata Pro Manual de usuario Pagina 335

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Chapter 6
316 Ascent Xtrata Pro User's Guide
Two thresholds can be set for the validation confidence:
Minimum confidence to make field valid
A locator’s best alternative is only assigned to a field, if its confidence is higher
than this value. The default value is 80%. Note that this value cannot be set lower
than the Locator Result Threshold.
Minimum distance to second best alternative
A locator’s best alternative is considered to be valid only, if the distance to the
second best alternative is greater than or equal than this value. The default
distance is 10%.
Require manual field confirmation
Select this option if manual field confirmation is always required during
validation. If this option is selected, the minimum validation confidence and
distance thresholds will not be used.
Always Valid
Enable this option if manual field confirmation is never required during
validation. If this option is selected the minimum validation confidence and
distance thresholds will not be used.
Reread Options
The reread option allows zone recognition for a field using a specialized OCR profile,
such as, for example, recognizing an amount using a numeric profile. As
preconditions, extraction must have a valid field location from a locator and an OCR
profile must be assigned.
For rereading a zone is placed over fields result on the document to perform OCR
again with the selected OCR profile. The result of this zone recognizer replaces the
original result if the minimum reread confidence is reached.
By default, rereading is not performed. To enable this option, select an OCR profile
from the list. This profile will be used if it is necessary to reread the document.
Note In addition, a script event (<FieldName>_AfterFieldReread) is available to
control which value is overwritten as field result.
To change an existing profile or add additional ones, click OCR profiles.
Buttons
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