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Qt 5 and OpenCV 4 Computer Vision Projects
book

Qt 5 and OpenCV 4 Computer Vision Projects

by Zhuo Qingliang
June 2019
Intermediate to advanced
348 pages
8h 28m
English
Packt Publishing
Content preview from Qt 5 and OpenCV 4 Computer Vision Projects

Chapter 6, Object Detection in Real Time

  1. When we trained the cascade classifier for the faces of Boston bulls, we annotated the dog faces on each image by ourselves. The annotation process was very time-consuming. There is a tarball of annotation data for that dataset on its website: http://vision.stanford.edu/aditya86/ImageNetDogs/annotation.tar. Is it possible to generate the info.txt file from this annotation data by using a piece of code? How can this be done?

The annotation data in that tarball relates to the dogs' bodies, and not to the dogs' faces. So, we can't use it to train a classifier for the dogs' faces. However, if you want to train a classifier for the full bodies of the dogs, this can help. The data in that tarball is stored ...

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Publisher Resources

ISBN: 9781789532586