Azure Cognitive Services

An Inside Scoop of Azure Cognitive Services

Microsoft's Azure Cognitive Services is a package full of useful, intelligent Application Programming Interface (APIs) designed for the apps in the cloud. 

Azure Cognitive Services combines machine learning, analytics, artificial intelligence, and a variety of different tools with vision.

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What exactly is Azure Cognitive Services?

Azure Cognitive Services is an excellent suite to create an automated, interactive model for an application. It enables developers to infuse superior intelligence capabilities into apps in order to deliver natural, contextual interactions. 

Azure Cognitive Services supports the development of applications with compelling algorithms through minimal coding. It is easy to get Azure Cognitive Services up and running with various options for continuous enhancements across platforms and devices.

As mentioned above, Azure Cognitive Services meshes a set of Application Programming Interface (APIs), to deploy natural, contextual interactions within applications. 

There are multiple APIs available to work on in Microsoft’s Azure Cognitive Services, out of which the most prominent ones are discussed below - 

Language API

The Language API in Azure Cognitive Services enables applications to process the natural language, evaluate user sentiments, learn, recognize, and adapt to the varying needs and behavior of a user. 

Language Understanding Intelligent Service (LUIS)

Language Understanding Intelligent Service helps applications to understand specific commands from a user. LUIS has been designed by Microsoft to accommodate the easy development of models, enabling applications to recognize user commands.

Text Analytics API

The Text Analytics API logically evaluates topics and sentiment to understand different user commands. The API, developed by Microsoft, seamlessly detects languages, topics, key phrases, and sentiment from the text. 

Text Analytics API is basically a text analytics web services suite created with Azure Machine Learning. There is no need for training data to use this API. Just bringing in the text data will work fine. 

The API employs best-in-class natural language processing techniques to leverage top-grade predictions.

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Translator Text API

The Translator Text API in Azure Cognitive Services is an automatic cloud-based translation service that supports multiple languages. The API easily performs real-time translation of the text with a simplistic REST API call.

Translator Text API could be deployed to create websites, tools, applications, or any other solution that require support for multiple languages.

Speaker Recognition API

The Speaker Recognition API, according to Microsoft, utilizes speech to detect and authenticate individual speakers. It provides applications the power to understand and recognize the person talking. 

Speaker Verification

Speaker Verification verifies and authenticates the speaker through a defined passphrase.

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Speaker Identification

Speaker Identification in Azure Cognitive Services is an incredibly intelligent tool that identifies speakers in applications. It matches speech with the speaker. The tool can easily identify speech and voice from a set of already known speakers. 


Image/Vision processing algorithms in Azure Cognitive Services help to automate content moderation. The powerful algorithms enable the development of more personalized applications with smart insights on facial recognition, emotions, and images. 

Face API

The Face API, integrated by Microsoft in Azure Cognitive Services, identifies, analyzes, and organizes faces in any given image. It also provides users the opportunity to tag faces in a photo. 
The super-intelligent Face API presents the most robust face algorithms, facilitating the integration of intelligence while building applications.

Emotion API

The Emotion API, incorporated into Azure Cognitive Services, helps in creating stunning applications that recognize and respond to feelings and moods of a user. 

The cloud-based Emotion API, by analyzing the facial expression of a user, detects human emotions like neutrality, contempt, fear, disgust, anger, sadness, surprise, and happiness. 

The AI(Artificial Intelligence) algorithms of Emotion API smartly detect user emotions on universal facial expressions while adding cross-cultural functionalities. 

Computer Vision API

The Computer Vision API, in Azure Cognitive Services, extracts information from images. Thereafter, it processes and classifies the visual data to protect users from undesired content. 

Computer Vision API can:

Analyze images - For example, the API can extract information about visual content in a photo.
Generate thumbnails -Computer Vision API can generate top-quality thumbnails from an input image.

Read the text in images - The API, integrated with OCR (Optical Character Recognition), can identify text in images.

Recognize celebrities - Computer Vision API can recognize over two hundred thousand celebrities from sports, politics, business, and the entertainment world. This is a constantly evolving feature in Azure’s Computer Vision API.

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Summary of Microsoft Azure Cognitive Services

Azure Cognitive Services is unbelievably simple. Developers, with only a few lines of coding, can get the ball rolling in no time. 

Now with the power of smart APIs in Microsoft's Azure Cognitive Services, we are all set to step into the world of intelligent applications. 

There is no denying that the era of AI is already here. Developers, what are you waiting for? Get some apps coded, and stun the world with the innovative Azure Cognitive Services.

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Last updated: 03 Apr 2023
About Author

Anji Velagana is working as a Digital Marketing Analyst and Content Contributor for Mindmajix. He writes about various platforms like Servicenow, Business analysis,  Performance testing, Mulesoft, Oracle Exadata, Azure, and few other courses. Contact him via and LinkedIn.

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