April 2017
Beginner to intermediate
250 pages
6h 28m
English
Content preview from Mastering OpenCV 3 - Second Edition
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Viewing the learned knowledge
While it is not necessary, it is quite useful to view the internal data structures that the face-recognition algorithm generated when learning your training data, particularly if you understand the theory behind the algorithm you selected and want to verify if it worked or find out why it is not working as you hoped. The internal data structures can be different for different algorithms, but luckily they are the same for eigenfaces and fisherfaces, so let's just look at those two. They are both based on 1D eigenvector matrices that appear somewhat like faces when viewed as 2D images, therefore it is common to refer as eigenvectors as eigenfaces when using the Eigenface algorithm or as fisherfaces when using the ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.