Mastering OpenCV with Practical Computer Vision Projects

Conventions

In this book, you will find a number of styles of text that distinguish between different kinds of information. Here are some examples of these styles, and an explanation of their meaning.

Code words in text are shown as follows: "You should put most of the code of this chapter into the cartoonifyImage() function."

A block of code is set as follows:

int cameraNumber = 0;
if (argc > 1)
    cameraNumber = atoi(argv[1]);
// Get access to the camera.
cv::VideoCapture capture;

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

// Get access to the camera.
cv::VideoCapture capture;
camera.open(cameraNumber); if (!camera.isOpened()) { std::cerr << "ERROR: Could not access the camera ...