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Learning OpenCV 5 Computer Vision with Python

You're reading from Learning OpenCV 5 Computer Vision with Python Tackle computer vision and machine learning with the newest tools, techniques and algorithms

Product type Paperback

Published in Jul 2025

Publisher Packt

ISBN-13 9781803230221

Length

Edition 4th Edition

Concepts

Computer Vision

Authors (2):

Joe Minichino

Joseph Howse

View More author details

Table of Contents (12) Chapters

1. Learning OpenCV 5 Computer Vision with Python, Fourth Edition: Tackle tools, techniques, and algorithms for computer vision and machine learning FREE CHAPTER

2. Setting Up OpenCV

3. Handling Files, Cameras, and GUIs

4. Processing Images with OpenCV

5. Detecting and Recognizing Faces

6. Retrieving Images and Searching Using Image Descriptors

7. Building Custom Object Detectors

8. Tracking Objects

9. Camera Models and Augmented Reality

10. Introduction to Neural Networks with OpenCV

11. OpenCV Applications at Scale

Appendix A: Bending Color Space with the Curves Filter

Summary

Running the official sample code

Running a few sample scripts is a good way to test whether OpenCV has been set up correctly. Some samples are included in OpenCV's source code archive. If you have not already obtained the source code, go to https://opencv.org/releases/ and download one of the following archives:

For Windows, download the latest archive, labeled Windows. It is a self-extracting ZIP. Run it and, when prompted, enter any destination folder, which we will refer to as <opencv_unzip_destination>. Find the Python samples in <opencv_unzip_destination>/opencv/sources/samples/python.
For other systems, download the latest archive, labeled Sources. It is a ZIP file. Unzip it to any destination folder, which we will refer to as <opencv_unzip_destination>. Find the Python samples in <opencv_unzip_destination>/samples/python.

Some of the sample scripts require command-line arguments. However, the following scripts (among others) should work without any...

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Authors (2)

Joseph Howse

Joseph Howse

Joseph Howse lives in a Canadian fishing village, where he chats with his cats, crafts his books, and nurtures an orchard of hardy fruit trees. He is President of Nummist Media Corporation, which exists to support his books and to provide mentoring and consulting services, with a specialty in computer vision. On average, in 2015-2022, Joseph has written 1.4 new books or new editions per year for Packt. He also writes fiction, including an upcoming novel about the lives of a group of young people in the last days of the Soviet Union.

See other products by Joseph Howse

Joe Minichino

Joe Minichino

Joe Minichino is an R&D labs engineer at Teamwork. He is a passionate programmer who is immensely curious about programming languages and technologies and constantly experimenting with them. Born and raised in Varese, Lombardy, Italy, and coming from a humanistic background in philosophy (at Milan's Università Statale), Joe has lived in Cork, Ireland, since 2004. There, he became a computer science graduate at the Cork Institute of Technology.

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