OpenCV 4 Computer Vision Application Programming Cookbook（Fourth Edition）

coverpage

Title Page

Copyright and Credits

OpenCV 4 Computer Vision Application Programming Cookbook Fourth Edition

About Packt

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Contributors

About the authors

About the reviewers

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Preface

Who this book is for

What this book covers

To get the most out of this book

Download the example code files

Download the color images

Conventions used

Sections

Getting ready

How to do it…

How it works…

There's more…

See also

Get in touch

Reviews

Playing with Images

Installing the OpenCV library

Getting ready

How to do it...

How it works...

There's more...

Using Qt for OpenCV developments

The OpenCV developer site

See also

Loading displaying and saving images

Getting ready

How to do it...

How it works...

There's more...

Clicking on images

Drawing on images

Running the example with Qt

See also

Exploring the cv::Mat data structure

How to do it...

How it works...

There's more...

The input and output arrays

See also

Defining regions of interest

Getting ready

How to do it...

How it works...

There's more...

Using image masks

See also

Manipulating the Pixels

Accessing pixel values

Getting ready

How to do it...

How it works...

There's more...

The cv::Mat_ template class

See also

Scanning an image with pointers

Getting ready

How to do it...

How it works...

There's more...

Other color reduction formulas

Having input and output arguments

Efficient scanning of continuous images

Low-level pointer arithmetics

See also

Scanning an image with iterators

Getting ready

How to do it...

How it works...

There's more...

See also

Writing efficient image-scanning loops

How to do it...

How it works...

There's more...

See also

Scanning an image with neighbor access

Getting ready

How to do it...

How it works...

There's more...

See also

Performing simple image arithmetic

Getting ready

How to do it...

How it works...

There's more...

Overloaded image operators

Splitting the image channels

Remapping an image