Azure Services for Face Recognition

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Questions and Answers

What is the primary benefit of using Face API?

Provides a seamless and highly secured user experience (correct)
Requires extensive development effort
Requires machine-learning expertise
Only analyzes faces in videos

Which index attribute should you configure to include the category field in the search results?

Retrievable (correct)
Sortable
Facetable
Searchable

What feature of Face API detects facial features and attributes in an image?

Image analysis
Machine learning
Face identification
Face detection (correct)

Which service is best suited for AI-powered monitoring?

Azure Video Analyzer for Media (formerly Video Indexer) (D) Signup and view all the answers

What is the purpose of the facetable index attribute in Azure Cognitive Search?

To perform drill down filtering based on a field (C) Signup and view all the answers

Which service should you use to analyze faces in images while minimizing development effort and costs?

Face API (B) Signup and view all the answers

What is the purpose of the searchable index attribute in Azure Cognitive Search?

To allow users to search for words in a field (B) Signup and view all the answers

Which of the following is a feature of Face API?

Face detection that perceives facial features and attributes (B) Signup and view all the answers

What is the primary function of captions in Azure Cognitive Services?

To fetch captions in a specified language during widget loading (B) Signup and view all the answers

What is the purpose of the Retail domain in Custom Vision?

To identify products in a retail setting (A) Signup and view all the answers

What is the next step after retraining a Custom Vision model?

Export the model (C) Signup and view all the answers

What is the limitation of the free-tier subscription quota in Face Recognition API?

1,000 person groups, each holding up to 1,000 persons (A) Signup and view all the answers

What is the purpose of the Face Recognition API?

To recognize employees' faces from URI endpoints (D) Signup and view all the answers

What is the benefit of using a Custom Vision resource in a development environment?

It enables easier development and testing of AI-powered applications (C) Signup and view all the answers

What is the purpose of image analysis in Azure Cognitive Services?

To analyze and extract insights from images (A) Signup and view all the answers

What is the benefit of using AI-powered monitoring in Azure Cognitive Services?

It enables real-time monitoring and anomaly detection (C) Signup and view all the answers

What is the primary goal of Active Learning in Azure Cognitive Services?

To improve the quality of a knowledge base by suggesting alternative questions (C) Signup and view all the answers

Which Azure Cognitive Services API is optimized for voice-in, voice-out interaction with bots?

Direct Line Speech API (A) Signup and view all the answers

What should you add to an Azure Cognitive Search indexer to analyze extracted information by using Microsoft Power BI?

A table projection (B) Signup and view all the answers

What is the purpose of the /text/analytics/v3.1/languages endpoint in the Text Analytics API?

To determine the language of input text (B) Signup and view all the answers

What is the benefit of using Direct Line Speech in a bot?

To create a flexible, extensible voice assistant (C) Signup and view all the answers

What is the role of Form Recognizer in an Azure Cognitive Search instance?

To analyze purchase orders and extract information (D) Signup and view all the answers

What is the primary purpose of the Azure Cognitive Services API?

To empower everyone and engage people (A) Signup and view all the answers

What is the benefit of using Azure Cognitive Services?

To engage people and make AI systems more inclusive (C) Signup and view all the answers

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Study Notes

Minimizing Development Effort and Costs

To minimize development effort and costs, use Face API, an AI service that analyzes faces in images.
Face API allows for facial recognition in apps without requiring machine learning expertise.

Configuring Index Attributes for Azure Cognitive Search

To include a category field in search results, ensure users can search for words in the category field, and enable drill-down filtering based on category, configure the category field with the following attributes:
- searchable
- facetable
- retrievable

Preparing a Custom Vision Model for Deployment

To prepare a Custom Vision model for deployment on an Android app, perform the following actions in sequence:
Deployment Steps
- Change the model domain
- Retrain the model
- Export the model

Face Recognition API and Person Groups

The Face Recognition API has the following subscription quotas:
- Free-tier: 1,000 person groups, each holding up to 1,000 persons
- S0-tier: 1,000,000 person groups, each holding up to 10,000 persons

Implementing Authentication and Active Learning

To implement authentication for a bot, use Direct Line Speech, a robust end-to-end solution for creating a flexible voice assistant.
Active learning suggestions allow improving the quality of a knowledge base by suggesting alternative questions based on user submissions.

Language Support for Emails and Direct Messages

To process incoming email and direct messages in either French or English language support teams, use the Azure Cognitive Services API for language detection.
The API endpoint for language detection is /text/analytics/v3.1/languages.

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