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人工智能 (AI) 與機器學習概覽 (Level 200)

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"人工智能 (AI) 與機器學習概覽
(Level 200)
講師: Jhen-wei Huang, Solutions Architect, AWS"

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人工智能 (AI) 與機器學習概覽 (Level 200)

  1. 1. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Jhen-Wei Huang Solutions Architect, Amazon Web Services AWS人工智能與機器學習服務概覽
  2. 2. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Amazon.com,1995 At Amazon, we’ve been making investments in ML for the last 20 y ear s…
  3. 3. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved.
  4. 4. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved.
  5. 5. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved.
  6. 6. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved.
  7. 7. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Put Machine Learning in the hands of every developer and data scientist Our mission
  8. 8. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. More machine learning is built on AWS than anywhere else
  9. 9. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Application Services Platform Services Frameworks & Infrastructure API-driven services: Vision & Language Services, Conversational Chatbots AWS ML Stack Deploy machine learning models with high-performance machine learning algorithms, broad framework support, and one-click training, tuning, and inference. Develop sophisticated models with any framework, create managed, auto- scaling clusters of GPUs for large scale training, or run inference on trained models.
  10. 10. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. ML Application Services are designed for ease-of-use Amazon data science expertise Amazon training data Amazon models and learning Accessibility via API Foundational components of Amazon AI/ML services Scalable, trained, and continuously optimized services that do not require extensive AI/ML expertise
  11. 11. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Enhancing the customer experience and uncovering insights Polly Turn text into lifelike speech using deep learning Lex Conversational interfaces through natural language understanding Comprehend Discover insights and relationships in text Transcribe Add speech to text capability to applications Translate More accurate and natural sounding translation services Rekognition Facial and object recognition through deep learning-based image analysis Vision Text Language Rekognition Video Facial and object recognition through deep learning-based video analysis
  12. 12. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Amazon Rekognition Deep Learning-based image and video analysis service
  13. 13. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved.
  14. 14. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Object & Scene Detection
  15. 15. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Facial Analysis
  16. 16. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Crowd Detection – up to 100 faces
  17. 17. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Facial Search
  18. 18. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Explicit Nudity Nudity Graphic Male Nudity Graphic Female Nudity Sexual Activity Partial Nudity Suggestive Female Swimwear or Underwear Male Swimwear or Underwear Revealing Clothes Image Moderation
  19. 19. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Celebrity Recognition
  20. 20. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Text in Image
  21. 21. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Amazon Rekognition Video Deep Learning-based video analysis service
  22. 22. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Video Analysis
  23. 23. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Build automatic analysis of body language to gauge attention and engagement using Rekognition Video https://aws.amazon.com/blogs/machine-learning/building-automatic-analysis-of-body-language-to-gauge- attention-and-engagement-using-amazon-kinesis-video-streams-and-amazon-ai-services/
  24. 24. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Voice Is Now THE NEW STANDARD Source: MindMeld TIME 2 0 0 5 2 0 1 0 2 0 1 5 2 0 2 0 0 B 1 0 0 B 2 0 0 B 3 0 0 B A Massive shift in voice has already begun. • In 2014, voice search traffic was negligible. Today it exceeds 10% of all search traffic. • Virtual assistants exceed 50B voice searches per month. • By 2020, over 200 billion searches per month will be done with voice. K E Y W O R D S E A R C H E S V O I C E S E A R C H E S WORLD WIDE SEARCHES PER MONTH
  25. 25. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. VOICE IS EVERYWHERE “Conversational platforms will drive the next big paradigm shift in how humans interact with the digital world.” -Gartner Press Release, Gartner Identifies the Top 10 Strategic Technology Trends for 2018 October 4, 2017 Source: https://www.gartner.com/newsroom/id/3812063
  26. 26. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Alexa Made Voice the Mainstream UI at Home “Alexa, call Jane” “Alexa, order a pizza” “Alexa, Start my TV” “Alexa, lower the temperature” “Alexa, dim the lights”
  27. 27. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Alexa for Business
  28. 28. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved.
  29. 29. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Amazon Polly Deep Learning-based text-to-speech service
  30. 30. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Amazon Polly “Welcome to AWS Seminar. Today we are going to introduce AWS AI & ML services” Amazon Polly: Text In, Life-like Speech Out
  31. 31. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. <speak xml:lang="en-US"> The price of this book is <prosody rate="60%">45€</prosody> </speak> A Focus On Voice Quality & Pronunciation Support for Speech Synthesis Markup Language (SSML) Version 1.0 https://www.w3.org/TR/speech-synthesis
  32. 32. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. AI Radio Announcer • FM Wakayama staff focused on gathering new information. • Broadcast quality improved considerably during the typhoon. • Cached audio was free.
  33. 33. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved.
  34. 34. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Amazon Lex Conversational Interfaces
  35. 35. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Intents A particular goal that the user wants to achieve Utterances Spoken or typed phrases that invoke your intent Slots Data the user must provide to fulfill the intent Prompts Questions that ask the user to input data Fulfillment The business logic required to fulfill the user’s intent BookHotel
  36. 36. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved.
  37. 37. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Amazon Translate Neural Machine Translation Service
  38. 38. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Automatic translation Real-time translation Powered by Deep Learning 12 Language pairs (more to come) Language detection
  39. 39. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved.
  40. 40. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Hotels.com Machine Translation « At Hotels.com, we are committed to offering all of our customers the most relevant and up to date information about their destination. To achieve that, we operate 90 localized websites in 41 languages. We have more than 25M customer reviews and more are coming in every day, making a great candidate for machine translation. Having evaluated Amazon Translate and several other solutions, we believe that Amazon Translate presents a quick, efficient and most importantly, accurate solution » Matt Fryer, VP and Chief Data Science Officer, Hotels.com
  41. 41. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Amazon Transcribe Automatic speech recognition service
  42. 42. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. “Hello, this is Allan speaking” Automatic speech recognition service Amazon Transcribe
  43. 43. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Support for telephony audio Timestamp generation Intelligent punctuation and formatting Recognize multiple speakers Custom vocabulary Multiple languages Automatic speech recognition service
  44. 44. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. ringDNA RingDNA is an end-to-end communications platform for sales teams. Hundreds of enterprise organizations use RingDNA to increase productivity, engage in smarter sales conversations, gain predictive sales insights and improve their win rate. Speech to Text "A critical component of RingDNA’s Conversation AI requires best of breed speech-to-text to deliver transcriptions of every phone call. RingDNA is excited about Amazon Transcribe since it provides high-quality speech recognition at scale, helping us to better transcribe every call to text" Howard Brown, CEO & Founder, RingDNA https://www.youtube.com/watch?v=1ZJ_f1bDdog
  45. 45. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Amazon Comprehend Natural Language Processing
  46. 46. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Fully managed natural language processing Discover valuable insights from text Entities Key Phrases Language Sentiment Amazon Comprehend
  47. 47. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved.
  48. 48. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Platform Services
  49. 49. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Data Visualization & Analysis Business Problem – ML problem framing Data Collection Data Integration Data Preparation & Cleaning Feature Engineering Model Training & Parameter Tuning Model Evaluation Are Business Goals met? Model Deployment Monitoring & Debugging – Predictions YesNo DataAugmentation Feature Augmentation The Machine Learning Process Re-training
  50. 50. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. End-to-End Machine Learning Platform Zero setup Flexible Model Training Pay by the second $ Amazon SageMaker Build, train, and deploy machine learning models at scale
  51. 51. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Highly-optimized machine learning algorithms Deployment without engineering effort Fully-managed hosting at scale BuildPre-built notebook instances Deploy Train One-click training for ML, DL, and custom algorithms Easier training with hyperparameter optimization Amazon SageMaker
  52. 52. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Built-in ML Algorithm https://docs.aws.amazon.com/sagemaker/latest/dg/algos.html Problem Algorithm Learning Typ Discrete Classification, Regression Linear Learner Supervised XGBoost Algorithm Supervised Discrete Recommendations Factorization Machines Supervised Image Classification Image Classification Algorithm Supervised, CNN Neural Machine Translation Sequence to Sequence Supervised, seq2seq Time-series Prediction DeepAR Supervised, RNN Discrete Groupings K-Means Algorithm Unsupervised Dimensionality Reduction PCA (Principal Component Analysis) Unsupervised Topic Determination Latent Dirichlet Allocation (LDA) Unsupervised Neural Topic Model (NTM) Unsupervised, Neural Network Based
  53. 53. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Digital Globe http://blog.digitalglobe.com/industry/using-machine-learning- to-save-money-on-cloud-data-storage/ https://www.youtube.com/watch?v=mkKkSRIxU8M In the last 18 years DigitalGlobe has been operating Earth imaging satellites, they have collected over 100 PB of imagery. There is a trade-off between how quickly data can be accessed and how much it will cost to store. Working with the ML Lab, Digital Globe built a predictive model that will reduce cloud storage costs for their imagery archive by 50%.
  54. 54. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Amazon ML Lab Lots of companies doing Machine Learning Unable to unlock business potential Brainstorming Modeling Teaching Lack ML expertise Leverage Amazon experts with decades of ML experience with technologies like Amazon Echo, Amazon Alexa, Prime Air and Amazon Go Amazon ML Lab provides the missing ML expertise
  55. 55. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Frameworks & Infrastructure
  56. 56. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Amazon EC2 P3 Instances • Up to eight NVIDIA Tesla V100 GPUs • 1 PetaFLOPs of computational performance – 14x better than P2 • 300 GB/s GPU-to-GPU communication (NVLink) – 9x better than P2 • 16GB GPU memory with 900 GB/sec peak GPU memory bandwidth T h e f a s t e s t , m o s t p o w e r f u l G P U i n s t a n c e s i n t h e c l o u d
  57. 57. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. AWS Deep Learning AMI • Easy-to-launch tutorials • Hassle-free setup and configuration • Pay only for what you use • Accelerate your model training and deployment • Support for popular deep learning frameworks
  58. 58. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Open Neural Network Exchange (ONNX) • Developers can choose the framework that best fits their needs • More customers can take advantage of MXNet’s performance and scalability • MXNet users to run their model on various mobile and edge devices (Qualcomm, Huawei, Intel, and ARM announced support for ONNX)
  59. 59. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. AWS DeepLens Deep Learning enabled video camera for developers
  60. 60. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. A new way to learn Custom built for deep learning Broad Framework Support Deploy models from Amazon SageMaker Integrated with AWS Full programmable with AWS Lambda AWS DeepLens W o r l d ’ s f i r s t D e e p L e a r n i n g e n a b l e d v i d e o c a m e r a f o r d e v e l o p e r s
  61. 61. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. AWS DeepLens: Project Templates Artistic Style Transfer Hot Dog/Not Hot Dog Recognition Object Recognition
  62. 62. © 2018, Amazon Web Services, Inc. or Its Affiliates. All rights reserved. FRAMEWORKS AND INTERFACES PLATFORM SERVICES APPLICATION SERVICES Amazon Rekognition Amazon Polly Amazon Lex Democratization of AI Amazon Rekognition Video Amazon Transcribe Amazon Comprehend Amazon SageMaker AWS DeepLens Amazon EMR Deep Learning AMI Amazon Translate
  63. 63. © 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Thank you!

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