Rekognition is a pre-built computer-vision service. It analyzes images and video to detect objects, faces, text, and unsafe content — again, no ML model to build, just an API call.

The tell

Anytime a scenario involves analyzing images or video — facial recognition, object detection, content moderation, text-in-image — that’s Rekognition. Text analysis is Comprehend; building your own model is SageMaker.

Test yourself

Practice question

A photo app needs to automatically detect and label objects and faces in user-uploaded images using a ready-made service. Which service?

  1. Amazon Comprehend
  2. Amazon Rekognition
  3. Amazon SageMaker
  4. Amazon Textract
👉 Click to reveal the answer & explanation

Correct answer: B. Rekognition analyzes images and video for objects, faces, and more via a ready API. Comprehend (A) is for text; SageMaker (C) is for custom models; Textract (D) specifically extracts text/data from documents, not general object/face detection.

Related topics

Amazon Comprehend · Amazon SageMaker · Amazon S3

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