Mastering OpenCV 4 with Python : a practical guide covering topics from image processing, augmented reality to deep learning with OpenCV 4 and Python 3.7 /: a practical guide covering topics from image processing, augmented reality to deep learning with OpenCV 4 and Python 3.7. (2019)

• Record Type: Book
• Other Titles: Mastering Open Source Computer Vision four with Python
• Further Information: Note: Alberto Fernández Villán.
• Authors: Fernández Villán, Alberto
• Contents: Cover; Title Page; Copyright and Credits; About Packt; Contributors; Table of Contents; Preface; Section 1: Introduction to OpenCV 4 and Python; Chapter 1: Setting Up OpenCV; Technical requirements; Code testing specifications; Hardware specifications; Understanding Python; Introducing OpenCV; Contextualizing the reader; A theoretical introduction to the OpenCV library; OpenCV modules; OpenCV users; OpenCV applications; Why citing OpenCV in your research work; Installing OpenCV, Python, and other packages; Installing Python, OpenCV, and other packages globally; Installing Python Installing Python on LinuxInstalling Python on Windows; Installing OpenCV; Installing OpenCV on Linux; Installing OpenCV on Windows; Testing the installation; Installing Python, OpenCV, and other packages with virtualenv; Python IDEs to create virtual environments with virtualenv; Anaconda/Miniconda distributions and conda package-and environment-management system ; Packages for scientific computing, data science, machine learning, deep learning, and computer vision; Jupyter Notebook; Trying Jupiter Notebook online ; Installing the Jupyter Notebook; Installing Jupyter using Anaconda Installing Jupyter with pipThe OpenCV and Python project structure; Our first Python and OpenCV project; Summary; Questions; Further reading; Chapter 2: Image Basics in OpenCV; Technical requirements; A theoretical introduction to image basics; Main problems in image processing; Image-processing steps; Images formulation; Concepts of pixels, colors, channels, images, and color spaces; File extensions; The coordinate system in OpenCV; Accessing and manipulating pixels in OpenCV; Accessing and manipulating pixels in OpenCV with BGR images Accessing and manipulating pixels in OpenCV with grayscale imagesBGR order in OpenCV; Summary; Questions; Further reading; Chapter 3: Handling Files and Images; Technical requirements; An introduction to handling files and images; sys.argv; Argparse - command-line option and argument parsing; Reading and writing images; Reading images in OpenCV; Reading and writing images in OpenCV; Reading camera frames and video files; Reading camera frames; Accessing some properties of the capture object; Saving camera frames; Reading a video file; Reading from an IP camera; Writing a video file Calculating frames per secondConsiderations for writing a video file; Playing with video capture properties; Getting all the properties from the video capture object; Using the properties - playing a video backwards; Summary; Questions; Further reading; Chapter 4: Constructing Basic Shapes in OpenCV; Technical requirements; A theoretical introduction to drawing in OpenCV; Drawing shapes; Basic shapes -- lines, rectangles, and circles; Drawing lines; Drawing rectangles; Drawing circles; Understanding advanced shapes; Drawing a clip line; Drawing arrows; Drawing ellipses; Drawing polygons
• Publisher Details: Birmingham, UK : Packt Publishing
• Publication Date: 2019
• Extent: 1 online resource, illustrations
• Subjects: 006.37; OpenCV (Computer program language); Computer vision; Python (Computer program language); Image processing; Machine learning; Electronic books
• Languages: English
• ISBNs: 9781789349757; 1789349753
• Related ISBNs: 9781789344912
• Notes: Note: Includes bibliographical references.; Note: Description based on online resource; title from title page (Safari, viewed May 1, 2019).
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.