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Learn OpenCV 4 by Building Projects

You're reading from   Learn OpenCV 4 by Building Projects Build real-world computer vision and image processing applications with OpenCV and C++

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Product type Paperback
Published in Nov 2018
Publisher Packt
ISBN-13 9781789341225
Length 310 pages
Edition 2nd Edition
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Authors (3):
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David Millán Escrivá David Millán Escrivá
Author Profile Icon David Millán Escrivá
David Millán Escrivá
Prateek Joshi Prateek Joshi
Author Profile Icon Prateek Joshi
Prateek Joshi
Vinícius G. Mendonça Vinícius G. Mendonça
Author Profile Icon Vinícius G. Mendonça
Vinícius G. Mendonça
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Table of Contents (14) Chapters Close

Preface 1. Getting Started with OpenCV 2. An Introduction to the Basics of OpenCV FREE CHAPTER 3. Learning Graphical User Interfaces 4. Delving into Histogram and Filters 5. Automated Optical Inspection, Object Segmentation, and Detection 6. Learning Object Classification 7. Detecting Face Parts and Overlaying Masks 8. Video Surveillance, Background Modeling, and Morphological Operations 9. Learning Object Tracking 10. Developing Segmentation Algorithms for Text Recognition 11. Text Recognition with Tesseract 12. Deep Learning with OpenCV 13. Other Books You May Enjoy

Tracking objects of a specific color

In order to build a good object tracker, we need to understand what characteristics can be used to make our tracking robust and accurate. So, let's take a baby step in that direction and see whether we can use colorspace information to come up with a good visual tracker. One thing to keep in mind is that color information is sensitive to lighting conditions. In real-world applications, you will have to do some preprocessing to take care of that. But for now, let's assume that somebody else is doing that and we are getting clean color images.

There are many different colorspaces, and picking a good one will depend on the different applications that a user is using. While RGB is the native representation on a computer screen, it's not necessarily ideal for humans. When it comes to humans, we give names to colors more naturally...

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