The paper is about the methodology of e-learning applied in computer vision. There exists an interactive textbook of computer vision in Slovak language but the only difference between traditional book and this textbook is that one can read it on internet and use interactive java applets to demonstrate the principles in the lecture. The ambition of this paper is to propose the way, how to change this textbook to convert it to real e-learning lessons with all tools that e-learning can provide to make it more effective and really interactive. KEYWORDS e-learning, graphics, feedback, learning management system