Azure Serverless Computing Cookbook - Second Edition

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The default code that the template provides invokes the Computer Vision API by passing the image that we have uploaded to blob storage. The face locator templates invoke the API call by passing the visualFeatures=Faces parameter, which returns information about the following:

• Age
• Gender
• Coordinates of the faces in the picture

You can learn more about the Computer Vision API at https://docs.microsoft.com/en-in/azure/cognitive-services/computer-vision/home.

Use the Environment.GetEnvironmentVariable("KeyName") function to retrieve the information that's stored in the application settings. In this case, the CallVisionAPI method uses the function to retrieve the key, which is essential for making a request to Microsoft Cognitive ...