Extract Text

This action retrieves a text (string variable) relative to a defined anchor.

Properties

Input

• Anchor Image: the target anchor image.

Output

• Output: the name of the variable used to store the result.

Anchor Detection

• Anchor Threshold: the default anchor detection threshold.

It needs to be a decimal value ranged between 0.01 and 1. Lower means that the anchor visual matching will be less strict.

• X Offset: the X-axis (horizontal) offset in pixels, relative to the anchor.

• Y Offset: the Y-axis (vertical) offset in pixels, relative to the anchor.

• Capture Width: the width of the capture rectangle, in pixels.

• Height: the height of the capture rectangle, in pixels.

• Highlighting: Specifies if the target anchor/capture rectangle should be highlighted.

OCR Engine

• Engine: the OCR engine that will be used in text extraction.

• Engine Mode: the desired OCR engine mode.

• Segmentation Mode: the page segmentation mode, supporting the following options:

  • Automatic

  • SingleColumn

  • SingleLine

  • SingleWord

  • SingleCharacter

  • RawLine

• Language: the language training pack to be used in the OCR process.

• Whitelist Chars: a list of all chars that will be whitelisted by the OCR engine.

• Blacklist Chars: a list of all chars that will be blacklisted by the OCR engine.

• OCR Template

• Scale: Scaling parameter used for scaling up the input bitmap. In some cases, this can increase OCR accuracy.

Needs to be a decimal value over 1.

• Invert: Specifies if the input bitmap should be inverted prior to text extraction.

Misc

• Display Name: action display name in your implementation project

• Wait Before: number milliseconds robot to wait before executing the action.

• Wait After: number milliseconds robot to wait until moving to the next action.

• Abort on Error: True/False

• Retry Times: Specifies the number of times to retry an action if it doesn't end successfully. Default value 0 (no retry); Use -1 if you want to retry indefinitely.

Use Case

Potential Use Cases

• Get accounting information from an invoice (e.g. invoice number, date, due date, supplier name, untaxed amount, VAT amount, total amount, currency etc.)

• Get the VAT tax applied in a receipt

• Get the customer name from a contract

Examples of Using Extract Text

Example

In this use case, the robot will set focus on an invoice, extract the open balance and write it in the console.

Prerequisites: download the attached invoice.

Watch the robot in action:

You can see how Extract Text activity is used in an example that incorporates multiple activities. You can check and download the example from here:

3KB

Extract Text.zip

archive

Extract Text sample project

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