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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

Summary

By now, we should have an application that displays a camera feed, listens for keyboard input, and (on command) records a screenshot or screencast. We are ready to extend the application by inserting some image-filtering code (Chapter 3, Processing Images with OpenCV) between the start and end of each frame. Optionally, we are also ready to integrate other camera drivers or application frameworks besides the ones supported by OpenCV.

We also possess the knowledge to manipulate images as NumPy arrays, UMat objects, or data that we can stream over a network. An understanding of image data and especially of NumPy arrays forms the perfect foundation for our next topic, filtering images.

The rest of the chapter is locked

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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.

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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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