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Learning Microsoft Cognitive Services

You're reading from   Learning Microsoft Cognitive Services Leverage Machine Learning APIs to build smart applications

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Product type Paperback
Published in Oct 2017
Publisher Packt
ISBN-13 9781788623025
Length 368 pages
Edition 2nd Edition
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Author (1):
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Leif Larsen Henning Larsen Leif Larsen Henning Larsen
Author Profile Icon Leif Larsen Henning Larsen
Leif Larsen Henning Larsen
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Table of Contents (13) Chapters Close

Preface 1. Getting Started with Microsoft Cognitive Services 2. Analyzing Images to Recognize a Face FREE CHAPTER 3. Analyzing Videos 4. Letting Applications Understand Commands 5. Speaking with Your Application 6. Understanding Text 7. Extending Knowledge Based on Context 8. Querying Structured Data in a Natural Way 9. Adding Specialized Searches 10. Connecting the Pieces 11. LUIS Entities and Additional Information on Linguistic Analysis 12. License Information

Analyzing emotions in videos

Earlier, we looked at analyzing emotions in images. We can do the same analysis with videos as well.

To be able to do this, we can modify the existing example for the Video API.

Start by adding Microsoft.ProjectOxford.Emotion as a NuGet client package.

Next we add Emotion to the AvailableOperations enum. In the VideoOperations class, add a new case for this value in CreateVideoOperationSettings. Return null, as we do not need any video-operation settings for this.

Add a private member to VideoOperations:

    private EmotionServiceClient _emotionServiceClient; 

Initialize this in the constructor, using the API key you registered earlier.

In the VideoOperationResultEventArgs, add a new property called EmotionResult. This should be of the type VideoAggregateRecognitionResult.

Back in the VideoOperations class, copy the GetVideoOperationResultAsync function...

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