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The name of the Invoice Date field is a short and very common word, Date. Restrict the search area as much as possible. Whenever the Invoice Date field name occurs on an image, it is located very close to the name of the Invoice Number field.

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Create the kwInvoiceDate element

1

Create the Static Text element

In the InvoiceHeader element, create a Static Text element and name it kwInvoiceDate.
2

Enter the search text

Click the Static Text tab. In the Search text field, enter Date.
3

Set the error tolerance

Leave 30 as the value for Max error percentage. For the four-letter search word, this means no more than one error.
4

Set the location relations

Click the Relations tab. The keywords of the name can occur only below the Invoice Number field name, but no more than 150 dots below its bottom boundary, so set these relations:
  • Below the kwInvoiceNumber element, Offset = 0
  • Above the bottom of the kwInvoiceNumber element, Offset = -150, Reference boundary = Bottom
Screenshot of the Relations tab of the Properties of SearchElements.InvoiceHeader.kwInvoiceDate dialog box in ABBYY FlexiLayout Studio, showing the Below and Above relations to the kwInvoiceNumber element.
To select the best offset values, analyze the geometrical properties (size and boundaries) of the objects detected during pre-recognition.
5

Add the search-area constraint

Click the Advanced tab. Since the Invoice Date field is in the left half of the image, set this additional search constraint in the Advanced pre-search relations field: look for the object in the left half of the image. In the FlexiLayout language:
6

Verify the match

Match the FlexiLayout with the test images and confirm that FlexiLayout Studio detects the element on all the images where applicable.