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When you examine the images, you will notice the following:
  • The field name always appears on the first page, in the upper part. You can therefore limit the search area to the first page and use absolute coordinates to specify a rectangular area.
  • Use the AddressHeaders.txt file to search for the text.
  • You can set the maximum error percentage to 20, which here means no more than 3 errors in each phrase.
Both the GUI and the FlexiLayout language let you use databases and text files to specify the text lines to find on an image. Text files can use ANSI or Unicode encoding. Letter case does not affect the search and only makes the text more readable. Put each search string on a separate line, and empty lines are ignored.
The optimal number of errors can only be found through trial and error. For more information about Static Text elements, see Static Text.

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Create the kwDeliveryAddress element

1

Create the Static Text element

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

Read the search text from a file

Click the Static Text tab, select Search text from file, and provide the path to the AddressHeaders.txt file (folder %public%\ABBYY\FlexiCapture\12.0\Samples\FLS\English\Invoice\Dict).A text file is accessed by its name, which can be absolute or relative. Relative names are specified relative to the FlexiCapture project folder (the folder that contains the *.fcproj file) or the FlexiLayout Studio project folder (the folder that contains the images).
Screenshot of the Static Text tab of the kwDeliveryAddress element properties in ABBYY FlexiLayout Studio, showing the Search text from file option selected with the path to the AddressHeaders.txt dictionary file.
3

Set the maximum error percentage

Set Max error percentage to 20.
4

Specify the search area

Click the Search Constraints tab and use absolute coordinates to specify the rectangular search area on the first page:
  • Select Absolute search area constraints.
  • In the Pages field, select Range from the drop-down list.
  • In the Range field, type 1.
  • In the Region field, specify the coordinates of the rectangle [1, 1, 2475, 1878].
  • Click Add…. The search area appears in the Search areas list.
5

Add pre-search relations

Click the Advanced tab. In the Advanced pre-search relations field, specify:
6

Match the FlexiLayout

Temporarily exclude the InvoiceFooter element and match the FlexiLayout.