Cross-Platform Application Development with OpenCV 4 and Qt 5

Video description

Build visually appealing and cross-platform computer vision applications

About This Video

Create a GUI that works for both desktop and mobile applications.
Develop a cross-platform application using OpenCV's main features.
Configure your development environment to create Android Applications using Qt.

In Detail

OpenCV is the most popular library for building computer vision applications. Qt is a C++ IDE used to create …

Cross-Platform Application Development with OpenCV 4 and Qt 5

Video description

Build visually appealing and cross-platform computer vision applications

About This Video

Create a GUI that works for both desktop and mobile applications.
Develop a cross-platform application using OpenCV's main features.
Configure your development environment to create Android Applications using Qt.

In Detail

OpenCV is the most popular library for building computer vision applications. Qt is a C++ IDE used to create GUI applications with ease. The main benefit of using Qt is that we can integrate OpenCV GUIs of GUIs created with Qt. Follow along with instructor Antonio Ortiz to build cross-platform applications using Qt.

In this course, you will learn to combine the power of OpenCV and Qt. First, you will start by grabbing some images and videos to show them in QML. Antonio also shows you how to calibrate an array of two stereo cameras. You will learn to deploy your application on both Linux and Android platforms.

By the end of this course, you will have become better at developing OpenCV applications, especially with Qt.

Audience

This course is intended for C++ developers who want to dive into the world of OpenCV and Qt to build fast, interactive, cross-platform applications. Basic knowledge of C++ programming is assumed. No previous experience with OpenCV and Qt is expected.

Publisher resources

Download Example Code

Chapter 1 : Setting Up Your Development Environment

The Course Overview

Qt5 and Qt Creator Installation

Qt Creator: Playing Around the IDE

Configuring OpenCV

Chapter 2 : Showing Images and Videos in QML

Getting Started with QML

Creating a GUI

From Mat to QImage

Showing an Image in QML

Working with Threads in Qt

Showing a Video in QML

Chapter 3 : Image Processing

Image Smoothing

Eroding and Dilating

Finding Contours in Your Image

Extracting Horizontal and Vertical Lines

Applying Laplacian Filter

Detecting Edges with Canny Edge Detector

Chapter 4 : Working with Videos

Background Subtraction

Detecting Colors

Getting Live Video from a Camera

Cascade Classifier

YOLO Algorithm

Showing Objects Detected with YOLO

Chapter 5 : Getting Depth Information from Images

Creating Threads for the Cameras

3D Calibration

Saving the Results in Files

Read the Calibration Data from a File

Generate Depth Map from Two Cameras

Chapter 6 : Working with Android

Setting Up Qt Creator for Android

Configuring a Android Virtual Device

Open Files Using QAndroidJniObject to Call Android Native Methods

Compile Applications for Android Devices

Chapter 7 : Debugging and Testing

Checking Qt Creator Debugging Configuration

Debugging C++ Parts

Debugging QML Parts of Your App

Unit Testing

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