OpenCV 3.x with Python By Example - Second Edition

Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "The imwrite() method will save the grayscale image as an output file named output.png."

A block of code is set as follows:

import cv2img = cv2.imread('images/input.jpg')cv2.imwrite('images/output.png', img, [cv2.IMWRITE_PNG_COMPRESSION])

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

import cv2img = cv2.imread('images/input.jpg')cv2.imwrite('images/output.png', img, [cv2.IMWRITE_PNG_COMPRESSION])

Any command-line ...