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Signature Detection with AWS

Detect signatures in a PNG, JPEG, or PDF file using the AWS Signature Detection services. You can configure the action step to expect one or more signatures and adjust the confidence level for the detection.

This action step processes the document in a synchronous fashion (Amazon does not store the document) and automatically converts PDF files to PNG images. You can adjust the fidelity of the conversion in the properties grid.

Inbound Variables

  • Directory Path

  • File Name

  • Password

  • Read text from page

  • Read text to page

  • AWS Credentials

  • Client Id

  • Client Secret

  • Session Token

  • Use Session Token

  • Region Endpoint

  • Json Path

Outbound Variables

  • Raw Json

    The complete AWS response.

  • Normalized Json

    The parsed JSON response including page number, signature name, and confidence score.

  • Signature Found

    A boolean value to confirm if a signature was found.

  • Signature Count

    The number of signatures found.

Properties

  • Authentication Settings

    • Region Endpoint

      The region endpoint to use for the AWS Service.

    • Use Session Token

      Enables using a session token for authentication.

  • Common

    See Common Properties for a description.

  • File Settings

    • Directory path

      The path to the directory where the file is located.

    • File name

      The name of the file to analyze. Supported file types: PDF, JPEG, and PNG.

    • Json Path

      The Json path to the property of the response object.

  • PDF Settings

    These settings show when the selected file is a PDF.

    • Automatically detect the best quality for conversion

      Disable this option to manually adjust the image quality.

    • Image Quality

      Specifies the quality of the image created from the PDF. The value ranges from 10 (lowest quality) to 100 (highest quality).

      This property is not available in the Wizard.

    • PDF file is password protected

      Specifies if the selected PDF file is password protected. When selected, specify the password to open the file in the Password to open PDF file filed.

    • Read entire file

      Instructs the service to read the entire file.

    • Read page range

      Instructs the service to read the selected range of pages.

      • From page

        Specify from which page the service starts reading the file.

      • To page

        Specifies until which page the service reads the file.

      • Read to end of file

        Instructs the service to continue reading until the end of the file.

  • Signature Detection Settings

    • Minimum Confidence Score

      The minimum confidence score for the detected signatures.

    • Signature Detection mismatch handling

      Defines if a mismatch between the expected and the actual detection causes a warning or an error.

    • Signature Detection Mode

      Defines the amount of expected signatures.

Wizard

The Wizard enables you to configure:

  • Authentication Settings: The credentials to use when connecting to the AWS services. You can either configure the credentials manually or reference an existing configuration of Credentials with AWS.

  • Response settings: The JsonPath Expression to filter the JSON response.

  • File Settings: The path and file name of the file to read.

  • Signature Detection Settings: The number of expected signatures (one, one or more, multiple), the minimum confidence level, and the expected behavior (warning or error) when the detection is below the configured confidence level.

See Also