Azure Computer Vision - Describe an image by file

Use the Azure Computer Vision - Describe an image by file action A tool for building the processes, logic, and direction within workflows. Actions are the steps the workflow performs to complete a process. to analyze an image file, and return a list of possible captions and tags describing what is in the image.

Input requirements:

  • Supported image formats: JPEG, PNG, GIF, BMP.

  • Image file size must be less than 4MB.

  • Image dimensions must be at least 50 x 50.

For more information about Azure Compute, go to Azure Compute.

Before you begin: 

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Configure the Azure Computer Vision - Describe an image by file action

  1. Add the action to the workflow and open the action configuration panel. For more information, see Add an action to the workflow.

  2. Select a Connection. If you do not have a connection, see Add a connection.
  1. Insert a variable that contains the Image file to describe.

Azure Computer Vision - Describe an image by file action fields and settings

Section Field Description Variable types

(unlabeled)

Connection Credentials and other settings that enables workflows to communicate with external systems, services, or applications. It's required to pass data between the workflow and the indicated service, which could be a cloud service, business application, or content store.

The Azure Computer Vision connection used to access the account for which you want to Describe an image by file.

To refresh the available connections, click .

 (n/a)

 

 Image

The variable containing the image file to be analyzed.

Note: Your tenancy's default file storage location must be configured to hold files for later reference by the workflow. This location is used for uploaded files and for files stored as output from actions.

File
  Maximum number of candidate descriptions to return The number of predicative image descriptions to return. Text, Decimal, Integer, Boolean, DateTime, Collection
Output Image description

Stores the result of the action as an object with the following variables:

  • Description: (Object) A list of description phrases and details about the image.

    • List of captions (Collection) The list of description phrases.

      • Confidence: (Decimal) The confidence score for the phrase.

      • Text: (Text) A phrase describing the image, such as partridge in a pear tree.

    • List of tags: (Collection) The keyword from the tags classifier, such as outdoor, bird.

  • Metadata: (Object) A list of details about the image.

    • Format: (Text) The format of the input image, such as JPEG.

    • Height: (Decimal) The height of the input image.

    • Width: (Decimal) The width of the input image.

  • Request ID: (Text) The unique identifying number for this description request.

 Object