139 lines
4.7 KiB
Markdown
139 lines
4.7 KiB
Markdown
# Machine Learning
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- [Machine Learning](#machine-learning)
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- [Amazon Rekognition](#amazon-rekognition)
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- [Amazon Transcribe](#amazon-transcribe)
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- [Amazon Polly](#amazon-polly)
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- [Amazon Translate](#amazon-translate)
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- [Amazon Lex \& Connect](#amazon-lex--connect)
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- [Amazon Lex: (same technology that powers Alexa)](#amazon-lex-same-technology-that-powers-alexa)
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- [Amazon Connect](#amazon-connect)
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- [Amazon Comprehend](#amazon-comprehend)
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- [Amazon SageMaker](#amazon-sagemaker)
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- [Amazon Forecast](#amazon-forecast)
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- [Amazon Kendra](#amazon-kendra)
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- [Amazon Personalize](#amazon-personalize)
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- [Amazon Textract](#amazon-textract)
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- [Summary](#summary)
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## Amazon Rekognition
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- Identifies objects, people, text, and scenes in images and videos using ML
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- Facial analysis and facial search for user verification and people counting
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- Create a database of familiar faces or compare against celebrities
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- Key uses:
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- Labeling
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- Content Moderation
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- Text Detection
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- Face Detection and Analysis (gender, age range, emotions)
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- Face Search and Verification
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- Celebrity Recognition
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- More info: [Amazon Rekognition](https://aws.amazon.com/rekognition/)
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## Amazon Transcribe
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- Converts speech to text using Automatically speech recognition (ASR)
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- Accurate and quick transcription
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- Key uses:
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- Transcribing customer service calls
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- Automating closed captioning and subtitling
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- Generating metadata for media assets for searchable archives
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## Amazon Polly
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- Turns text into lifelike speech using deep learning
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- Enables creation of talking applications
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## Amazon Translate
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- Provides natural and accurate language translation
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- Localizes content for international users
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- Efficiently translates large volumes of text
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## Amazon Lex & Connect
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### Amazon Lex: (same technology that powers Alexa)
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- Uses ASR to convert speech to text
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- Natural Language Understanding to recognize text and caller intent
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- Helps build chatbots and call center bots
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### Amazon Connect
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- Cloud-based virtual contact center
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- Receives calls and creates contact flows
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- Integrates with CRM systems or AWS
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- No upfront payments, 80% cheaper than traditional contact centers
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## Amazon Comprehend
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- Fully managed and serverless NLP service
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- Uses machine learning to find insights and relationships in text
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- Key features:
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- Identifies language of the text
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- Extracts key phrases, places, people, brands, or events
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- Determines sentiment of the text
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- Analyzes text using tokenization and parts of speech
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- Organizes text files by topic
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- Key uses:
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- Analyzing customer interactions for positive or negative experiences
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- Grouping articles by topics
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## Amazon SageMaker
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- Fully managed service for developers / data scientists to build ML models
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- Typically, difficult to do all the processes in one place + provision servers
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- Machine learning process (simplified): predicting your exam score
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## Amazon Forecast
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- Fully managed service that uses ML to deliver highly accurate forecasts
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- Example: predict the future sales of a raincoat
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- 50% more accurate than looking at the data itself
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- Reduces forecasting time from months to hours
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- Key uses:
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- Product Demand Planning
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- Financial Planning
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- Resource Planning
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## Amazon Kendra
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- Fully managed document search service powered by ML
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- Extracts answers from various document types (text, PDF, HTML, PowerPoint, MS Word, FAQs)
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- Offers natural language search capabilities
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- Learns from user interactions to promote preferred results
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- Allows manual fine-tuning of search results
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## Amazon Personalize
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- Fully managed ML service for real-time personalized recommendations
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- Key uses:
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- Personalized product recommendations
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- Customized direct marketing
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- Integrates into websites, applications, SMS, email marketing systems
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- Implemented in days, not months
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## Amazon Textract
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- Automatically extracts text, handwriting, and data from scanned documents using AI and ML
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- Reads and processes various document types (PDFs, images)
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- Key uses:
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- Financial Services (invoices, financial reports)
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- Healthcare (medical records, insurance claims)
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- Public Sector (tax forms, ID documents, passports)
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## Summary
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- **Rekognition**: Face detection, labeling, celebrity recognition
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- **Transcribe**: Audio to text (e.g., subtitles)
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- **Polly**: Text to audio
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- **Translate**: Language translation
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- **Lex**: Build conversational bots (chatbots)
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- **Connect**: Cloud contact center
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- **Comprehend**: Natural language processing
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- **SageMaker**: Machine learning for developers and data scientists
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- **Forecast**: Accurate forecasts
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- **Kendra**: ML-powered search engine
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- **Personalize**: Real-time personalized recommendations
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- **Textract**: Detect text and data in documents
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