Welcome to our comprehensive study of Computer Vision with the OpenCV library. These notes will serve as a detailed guide, designed to take you from the foundational theories of computer vision to the practical application of these concepts using the Java bindings for the powerful OpenCV library. We will begin by establishing a strong theoretical understanding of what computer vision is and the architecture of the tools we will be using. From there, we will proceed systematically through setting up your development environment, mastering core data structures, manipulating images, and finally, applying this knowledge to build a real-world application for live face detection. My goal is to provide a clear and accessible path for you to develop both the knowledge and the hands-on skills necessary to excel in this exciting field.