March 2020
Intermediate to advanced
366 pages
9h 8m
English
book
OpenCV 4 with Python Blueprints - Second Edition
by Dr. Menua Gevorgyan, Michael Beyeler (USD), Arsen Mamikonyan, Michael Beyeler
Content preview from OpenCV 4 with Python Blueprints - Second Edition
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Assembling a training dataset
Before we can train an MLP, we need to assemble a suitable training set. This is done because chances are that your face is not yet part of any dataset out there (the National Security Agency's (NSA's) private collection doesn't count), thus we will have to assemble our own. This is done most easily by returning to our GUI application from the previous chapters that can access a webcam, and operate on each frame of a video stream.
We are going to subclass the wx_gui.BaseLayout and tweak the user interface (UI) to our liking. We will have two classes for the two different modes.
The GUI will present the user with the option of recording one of the following six emotional expressions—namely, neutral, happy, sad, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.