Computer Vision for the Web

Unleash the power of the Computer Vision algorithms in JavaScript to develop vision-enabled web content
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Computer Vision for the Web

Foat Akhmadeev

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Unleash the power of the Computer Vision algorithms in JavaScript to develop vision-enabled web content
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Book Details

ISBN 139781785886171
Paperback116 pages

Book Description

JavaScript is a dynamic and prototype-based programming language supported by every browser today. JavaScript libraries boast outstanding functionalities that enable you to furnish your own Computer Vision projects, making it easier to develop JavaScript–based applications, especially for web-centric technologies. It makes the implementation of Computer Vision algorithms easier as it supports scheme-based functional programming.

This book will give you an insight into controlling your applications with gestures and head motion and readying them for the web. Packed with real-world tasks, it begins with a walkthrough of the basic concepts of Computer Vision that the JavaScript world offers us, and you’ll implement various powerful algorithms in your own online application. Then, we move on to a comprehensive analysis of JavaScript functions and their applications. Furthermore, the book will show you how to implement filters and image segmentation, and use tracking.js and jsfeat libraries to convert your browser into Photoshop. Subjects such as object and custom detection, feature extraction, and object matching are covered to help you find an object in a photo. You will see how a complex object such as a face can be recognized by a browser as you move toward the end of the book. Finally, you will focus on algorithms to create a human interface.

By the end of this book, you will be familiarized with the application of complex Computer Vision algorithms to develop your own applications, without spending much time learning sophisticated theory.

Table of Contents

Chapter 1: Math Never Was So Simple!
Installation and core structure representation of JSFeat
Initializing the project
Understanding a digital image
Useful functions and where to use them
Summary
Chapter 2: Turn Your Browser into Photoshop
Introducing the tracking.js library
What is filtering and how to use it?
Basic edge detection
Advanced image processing
Summary
Chapter 3: Easy Object Detection for Everyone
Detecting color objects
Digging into the tracking.js API
Image features
Descriptors and object matching
Summary
Chapter 4: Smile and Wave, Your Face Has Been Tracked!
Face detection with JSFeat
Tagging people with tracking.js
Tagging people in photos
Head tracking with Camshift
Summary
Chapter 5: May JS Be with You! Control Your Browser with Motion
Basic tracking with tracking.js
Controlling objects with the head motion
Optical flow for motion estimation
Summary
Chapter 6: What's Next?
Refresh your memory
Importance of client-side scripting
Other interesting libraries in Computer Vision
Summary

What You Will Learn

  • Apply complex Computer Vision algorithms in your applications using JavaScript
  • Put together different JavaScript libraries to discover objects in photos
  • Get to grips with developing simple computer vision applications on your own
  • Understand when and why you should use different computer vision methods
  • Apply various image filters to images and videos
  • Recognize and track many different objects, including face and face particles using powerful face recognition algorithms
  • Explore ways to control your browser without touching the mouse or keyboard

Authors

Table of Contents

Chapter 1: Math Never Was So Simple!
Installation and core structure representation of JSFeat
Initializing the project
Understanding a digital image
Useful functions and where to use them
Summary
Chapter 2: Turn Your Browser into Photoshop
Introducing the tracking.js library
What is filtering and how to use it?
Basic edge detection
Advanced image processing
Summary
Chapter 3: Easy Object Detection for Everyone
Detecting color objects
Digging into the tracking.js API
Image features
Descriptors and object matching
Summary
Chapter 4: Smile and Wave, Your Face Has Been Tracked!
Face detection with JSFeat
Tagging people with tracking.js
Tagging people in photos
Head tracking with Camshift
Summary
Chapter 5: May JS Be with You! Control Your Browser with Motion
Basic tracking with tracking.js
Controlling objects with the head motion
Optical flow for motion estimation
Summary
Chapter 6: What's Next?
Refresh your memory
Importance of client-side scripting
Other interesting libraries in Computer Vision
Summary

Book Details

ISBN 139781785886171
Paperback116 pages
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