June 2019
Intermediate to advanced
348 pages
8h 28m
English
Content preview from Qt 5 and OpenCV 4 Computer Vision Projects
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Editing Images Like a Pro
In Chapter 1, Building an Image Viewer, we built a simple application for image viewing with Qt from scratch. With that application, we can view an image from the local disk, zoom the view in or out, and navigate in the opening directory. In this chapter, we will continue with that application and add some features to allow users to edit the opening image. To achieve this goal, we will get the OpenCV library we mentioned at the beginning of this book involved. To make the application extensible, we will develop most of these editing features as plugins using the plugin mechanism of Qt.
The following topics will be covered in this chapter:
- Converting images between Qt and OpenCV
- Extending an application through Qt's ...
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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.