Describe Image Activity
The Describe Image activity analyzes visual content to generate human-readable phrases describing an image. It leverages Microsoft Cognitive Services to return a list of descriptions ranked by confidence scores, enabling automated visual data interpretation within a workflow.
| Field | Description | Requirement |
|---|---|---|
| Ocp Apim Subscription Key | The unique API key provided by Microsoft Computer Vision services for authentication. | Required |
| Endpoint | The specific Microsoft Computer Vision API URL endpoint for the service instance. | Required |
| Image Url | The publicly accessible URL address of the image file to be analyzed. | Required |
| Response variable name | The name of the variable designated to store the JSON response from the API. | Required |
Action Types & Examples
Image Description Generation
- Format: string
- Example Result: "a person standing in a forest"
Implementation Examples
Field Setup - Ocp Apim Subscription Key: 2dfc034684a3434fb3270534c5efdc66 - Endpoint: https://yourapiurl.cognitiveservices.azure.com/
Execution Parameters - Image Url: http://example.com/images/test.jpg - Response variable name: getResponse
Technical Notes
This activity integrates with the Microsoft Computer Vision API to evaluate visual features and generate descriptive metadata. The algorithm returns multiple descriptions ordered from highest to lowest confidence. For optimal results, ensure the provided image URL is publicly accessible and the subscription key is active within the Azure portal.