Which action can be performed by using the Azure Al Vision service?

Identifying specific breeds of animals, especially in live video streams, is not a direct, out-of-the-box capability of the general Azure AI Vision service without custom training using a related service like Custom Vision.

Extracting key phrases from documents is a capability of the Azure AI Language service, not the Azure AI Vision service, which focuses on visual content.

While Azure AI Vision's Read API can extract handwritten text, the specific task of "extracting data from handwritten letters" often implies structured data extraction (e.g., fields, values), which is a more specialized capability typically addressed by Azure AI Document Intelligence (formerly Form Recognizer) for comprehensive document understanding.

The Azure AI Vision service, specifically its Computer Vision API, includes a feature for generating smart thumbnails that intelligently identify the most interesting regions of an image or video frame and crop them to create effective thumbnails.