November 2018
Beginner
310 pages
7h 25m
English
book
Learn OpenCV 4 by Building Projects - Second Edition
by David Millán Escrivá, Vinícius G. Mendonça, Prateek Joshi
Content preview from Learn OpenCV 4 by Building Projects - Second Edition
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Creating the graphical user interface
Before we start with the image processing algorithms, we create the main user interface for our application. We are going to use the Qt-based user interface to allow us to create single buttons. The application receives one input parameter to load the image to process, and we are going to create four buttons, as follows:
- Show histogram
- Equalize histogram
- Lomography effect
- Cartoonize effect
We can see the four results in the following screenshot:
Let's begin developing our project. First of all, we are going to include the OpenCV – required headers, define an image matrix to store the input image, and ...
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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.