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Qt 5 and OpenCV 4 Computer Vision Projects

You're reading from   Qt 5 and OpenCV 4 Computer Vision Projects Get up to speed with cross-platform computer vision app development by building seven practical projects

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Product type Paperback
Published in Jun 2019
Publisher Packt
ISBN-13 9781789532586
Length 348 pages
Edition 1st Edition
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Author (1):
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Zhuo Qingliang Zhuo Qingliang
Author Profile Icon Zhuo Qingliang
Zhuo Qingliang
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Table of Contents (11) Chapters Close

Preface 1. Building an Image Viewer 2. Editing Images Like a Pro FREE CHAPTER 3. Home Security Applications 4. Fun with Faces 5. Optical Character Recognition 6. Object Detection in Real Time 7. Real-Time Car Detection and Distance Measurement 8. Using OpenGL for the High-Speed Filtering of Images 9. Assessments 10. Other Books You May Enjoy

Applying masks to faces

In the previous sections of this chapter, we successfully detected the faces and the facial landmarks in our video feed. In this section, we will do something more interesting—I have three masks or ornaments here. Let's try to apply them onto the detected faces in real time:

These ornaments are images on the disk. Different to the data from the users, for example the images we viewed in Chapter 1, Building an Image Viewer, the images we edited in Chapter 2, Editing Images Like a Pro, and the videos we recorded in Chapter 3, Home Security Applications, these ornaments are not data from the users; they are a part of our application, just like our code source files. We must somehow bind them to our application, especially when we ship the application to the users. You can simply pack up these resources along the compiled binary, let the users...

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