January 2018
Intermediate to advanced
268 pages
6h 20m
English
Content preview from OpenCV 3.x with Python By Example - Second Edition
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What if we cannot separate the data with simple straight lines?
There is something called the kernel trick that we use in SVMs. Consider the following image:
As we can see, we cannot draw a simple straight line to separate the red points from the blue points. Coming up with a nice curvy boundary that will satisfy all the points is prohibitively expensive. SVMs are really good at drawing straight lines. So, what's our answer here? The good thing about SVMs is that they can draw these straight lines in any number of dimensions. So technically, if you project these points into a high dimensional space, where they can be separated by a simple ...
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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.