Text Detection Activity
The Text Detection activity enables the extraction of written content from image files using Optical Character Recognition (OCR) technology. It processes visual data to return structured JSON results containing the full extracted string, individual words, and their respective bounding box coordinates.
| Field | Description | Requirement |
|---|---|---|
| Ocp Apim Subscription Key | The unique API key provided by Microsoft Computer Vision services. | Required |
| Endpoint | The specific Microsoft Computer Vision API URL for the service instance. | Required |
| Image Url | The publicly accessible URL address of the image file to be processed. | Required |
| Response variable name | The name of the variable designated to store the HTTP response data. | Required |
Action Types & Examples
OCR Text Extraction
- Format: JSON string
- Example Result: "{"language":"en","textAngle":0.0,"orientation":"Up","regions":[...]}"
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 utilizes Microsoft Cognitive Services for OCR processing. For detailed information regarding the underlying technology and capabilities, refer to the official Microsoft Azure documentation for Computer Vision OCR.