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Learning Microsoft Cognitive Services

Learning Microsoft Cognitive Services

By : Leif Larsen Henning Larsen
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Learning Microsoft Cognitive Services

Learning Microsoft Cognitive Services

By: Leif Larsen Henning Larsen

Overview of this book

Microsoft Cognitive Services is a set of APIs for integrating artificial intelligence in your applications to solve logical business problems. If you’re new to developing applications with AI, Learning Microsoft Cognitive Services will give you a comprehensive introduction to Microsoft’s AI stack and get you up-to-speed in no time. The book introduces you to 24 APIs, including Emotion, Language, Vision, Speech, Knowledge, and Search. Using Visual Studio, you can develop applications with enhanced capabilities for image processing, speech recognition, text processing, and much more. Moving forward, you will work with datasets that enable your applications to process various data in the form of image, video, or text. By the end of the book, you’ll be able to confidently explore Cognitive Services APIs for building intelligent applications that can be deployed for real-world business uses.
Table of Contents (14 chapters)
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Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Free Chapter
1
1. Getting Started with Microsoft Cognitive Services
1. Getting Started with Microsoft Cognitive Services
Cognitive Services in action for fun and life-changing purposes
Setting up the boilerplate code
Detecting faces with the Face API
An overview of different APIs
Getting feedback on detected faces
Summary
2
2. Analyzing Images to Recognize a Face
2. Analyzing Images to Recognize a Face
Analyze an image using the Computer Vision API
Diving deep into the Face API
Adding identification to our smart-house application
Knowing your mood using the Face API
Automatically moderating user content
Building your own image classifiers
Summary
3
3. Analyzing Videos
3. Analyzing Videos
Diving into Video Indexer
Unlocking video insights using Video Indexer
Summary
4
4. Letting Applications Understand Commands
4. Letting Applications Understand Commands
Creating language-understanding models
Training a model
Summary
5
5. Speaking with Your Application
5. Speaking with Your Application
Converting text to audio and vice versa
Knowing who is speaking
Verifying a person through speech
Customizing speech recognition
Translating speech on the fly
Summary
6
6. Understanding Text
6. Understanding Text
Setting up a common core
Correcting spelling errors
Extracting information through textual analysis
Translating text on the fly
Summary
7
7. Building Recommendation Systems for Businesses
7. Building Recommendation Systems for Businesses
Providing personalized recommendations
Summary
8
8. Querying Structured Data in a Natural Way
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8. Querying Structured Data in a Natural Way
Tapping into academic content using the academic API
Interpreting natural language queries
Finding academic entities in query expressions
Calculating the distribution of attributes from academic entities
Entity attributes
Creating the backend using the Knowledge Exploration Service
Defining attributes
Adding data
Building the index
Understanding natural language
Local hosting and testing
Going for scale
Answering FAQs using QnA Maker
Creating a knowledge base from frequently asked questions
Training the model
Publishing the model
Summary
9
9. Adding Specialized Searches
9. Adding Specialized Searches
Searching the web using the smart-house application
Getting the news
Searching for images and videos
Helping the user with autosuggestions
Search commonalities
Searching for visual content using Bing Visual Search
Adding a custom search
Summary
10
10. Connecting the Pieces
10. Connecting the Pieces
Completing our smart-house application
Real-life applications using Microsoft Cognitive Services
Where to go from here
Summary
11
A. LUIS Entities
A. LUIS Entities
LUIS prebuilt entities
12
B. License Information
B. License Information
Video Frame Analyzer
OpenCvSharp3
Newtonsoft.Json
NAudio
13
Index
Index

Training the model

Every time we make changes to the knowledge base, it is wise to click Save and Train. This will ensure that our model is up to date, with the most current question-and-answer pairs.

Once we have trained the model, we can test it. This can be done by clicking the Test button on the right-hand side. This will present us with the following chat window:

From this chat dialog, we can test some or all of our questions to verify that we get the correct answers. We can also improve the model by asking questions in different ways. In some cases, this will present us with the wrong answer.

If we have been presented with the wrong answer, we can change this by selecting the correct one. With any given question, the possible answers will be listed by clicking the Inspect button beneath the question, ordered by probability. Selecting the correct answer and retraining the model will ensure a correct answer when asking the same question later.

End of Section 17
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