at first I want to apologize for my bad English.
I am really new in OpenCV and in virtual reality. I tried to find out the theory of image processing, but some points are missing there for me. I learned that projection matrix is matrix to transform 3D point to 2D. Am I right? Essential matrix gives me information about rotation between two cameras and fundamental matrix gives information about the relationship between pixel in one image with pixel in other image. The homography matrix relates coordinates of pixel in two image (is that correct?). What is the difference between fundamental and homography matrix?
Do I need all these matrices to get projection matrix? I am new in these, so please if you can, try to explain me it simply. Thanks for your help.