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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

Questions

Try these questions to test your knowledge from this chapter:

  1. When we trained the cascade classifier for the faces of the Boston Bulls, we annotated the dog faces on each image by ourselves. The annotation process cost us much time. There is a tarball of annotation data for that dataset at this website: http://vision.stanford.edu/aditya86/ImageNetDogs/annotation.tar. Could we generate the info.txt file from this annotation data via a piece of code? How would we do that?
  2. Try to find a pretrained (fast/faster) R-CNN model and a pretrained SSD model. Run them and compare their performance to YOLOv3.
  3. Could we use YOLOv3 to detect a certain kind of object, but not all the 80 classes of objects?
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