You can purchase or read the book on Amazon or through O'Reilly.
" Learning OpenCV 3: Computer Vision in C++ with the OpenCV Library " by Adrian Kaehler and Gary Bradski provides a foundational, hands-on introduction to computer vision using C++. It covers essential topics for developers and researchers, ranging from basic image processing to 3D reconstruction and machine learning. The book acts as a comprehensive, practical guide with exercises for implementing vision applications.