Book Image

Computer Vision with OpenCV 3 and Qt5

By : Amin Ahmadi Tazehkandi
4 (1)
Book Image

Computer Vision with OpenCV 3 and Qt5

4 (1)
By: Amin Ahmadi Tazehkandi

Overview of this book

Developers have been using OpenCV library to develop computer vision applications for a long time. However, they now need a more effective tool to get the job done and in a much better and modern way. Qt is one of the major frameworks available for this task at the moment. This book will teach you to develop applications with the combination of OpenCV 3 and Qt5, and how to create cross-platform computer vision applications. We’ll begin by introducing Qt, its IDE, and its SDK. Next you’ll learn how to use the OpenCV API to integrate both tools, and see how to configure Qt to use OpenCV. You’ll go on to build a full-fledged computer vision application throughout the book. Later, you’ll create a stunning UI application using the Qt widgets technology, where you’ll display the images after they are processed in an efficient way. At the end of the book, you’ll learn how to convert OpenCV Mat to Qt QImage. You’ll also see how to efficiently process images to filter them, transform them, detect or track objects as well as analyze video. You’ll become better at developing OpenCV applications.
Table of Contents (19 chapters)
Title Page
Dedication
Packt Upsell
Foreword
Contributors
Preface

A tour of the IDE


In this section, we will take a walk around different and bits of Qt Creator. It's always a good idea to get a sense of your surroundings and environment when you move to a new place. You may not notice the differences at the beginning, but this is actually a very similar situation, as you'll come to realize. You are going to use the Qt Creator environment throughout the whole book, and, basically, live and work with it for the entire period of reading this book, and, later on, hopefully, for a long time in your career, personal projects, or studies. So, let's start our walk and start touching things to see what really happens.

Let's go back to the first picture in this chapter. What you see here is the initial Qt Creator screen, or as you'll see a bit later, it is the welcome mode of the Qt Creator. You may notice that the icons and colors here are slightly different than what you have on your computer, even though you installed the same version of Qt. Don't worry, as...