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Machine Learning

📚 Part 20 of 25: "AWS Cloud Practitioner" series.

·538 words·3 mins

Amazon Rekognition #

Finding objects, people, text, scenes in images and videos using Machine Learning. #

Facial analysis and facial search to perform user verification, people count, etc.

  • Use cases:
    • Labeling
    • Content Moderation
    • Text Detection
    • Face Detection and Analysis (gender, age, range, emotions, …)
    • Face Search and Verification
    • Celebrity Recognition
    • Pathing (e.g. sports game analysis)
More about Rekognition: https://aws.amazon.com/rekognition

Transcribe #

Automatically converts speech to text. Uses deep learning process called ASR (Automatic Speech Recognition) to convert speech to text. #

It has a capability of removing Personally Identifiable information (PII) using Redaction.

It also supports Automatic Language Identification for multi-lingual audio.

  • Use cases:
    • transcribe customer service calls
    • automate closed captioning and subtitling
    • generate metadata for media assets to create a fully searchable archive

Polly #

Opposite of Transcribe. Turns text into speech using deep learning. #

Translate #

Amazon Translate allows localizing the content - websites and applications - for international users. It has a capability of translating large volumes of text efficiently.

Lex & Connect #

  • Amazon Lex: same technology that powers Alexa
    • Automatic Speech Recognition (ASR) to convert speech to text
    • Natural Language Understanding to recognize the intent of the text
    • Helps building chatbots or call center bots
  • Amazon Connect
    • Receive calls, create contact flows, cloud-based virtual contact center
    • Can integrate with other CRM systems or AWS
    • No upfront payment, 80% cheaper than traditional contact center solutions

Comprehend #

Uses Machine Learning to find insights and relationships in the text for Natural Language Processing - NLP. #
  • Language of the text
  • Extracting key phrases, places, people, brands or events
  • Understand how positive or negative text is
  • Analyzes text using tokenization and parts of speech
  • Automatically organizes a collection of text files by topic

Use cases:

  • Analyze customer interactions (emails) to find what leads to a positive or negative experience
  • Create and group articles by topics

SageMaker #

Fully managed service for developers / data scientists to build Machine Learning (ML) models. Model requires training.

Kendra #

Fully managed document search service powered by Machine Learning.

  • Can extract answers from within a document (text, pdf, HTML, Power Point, MS Word, FAQs, etc.).
  • Can learn from user interactions or feedback to promote preferred results (Incremental Learning)
  • Has an ability to manually fine-tune search results (importance of data, freshness, custom, etc.)

Personalize #

Fully managed Machine Learning service to build apps with real-time personalized recommendations.

Same tech used by amazon.com

Use Cases: retail stores, media, entertainment…

Textract #

Automatically extracts text, handwriting and data from scanned documents using AI and ML.

Can read and process any type of document (PDF, images, etc.)

Summary #

  • Rekognition: face detection, labeling, celebrity recognition
  • Transcribe: audio to text (e.g. subtitles)
  • Polly: text to audio
  • Translate: translations
  • Lex: build conversational bots / chatbots
  • Connect: cloud contact center
  • Comprehend: natural language processing
  • SageMaker: machine learning for every developer and data scientist
  • Kendra: ML-powered document search engine
  • Personalize: real-time personalized recommendation
  • Textract: detect text and data in documents (handwriting / scanned data)

» Sources « #

» Disclaimer « #

This series draws heavily from Stephane Maarek’s Ultimate AWS Certified Cloud Practitioner course on Udemy.

His content was instrumental in helping me pass the certification.

About the instructor
🌐 Website📺 YouTube
💼 LinkedIn𝕏 x.com

ℹ️Shared for educational purposes only, no rights reserved.