Like I mentioned, any visual aids will have to wait, but there's a chance this story can be conveyed with words alone.
So, I was taking a Digital Image Processing course towards the end of my college days. I was working on a team, and we had several choices for what we could work on for the end-of-semester project. We settled on writing a program (C++) to take an image, perform a "CT scan" on it, and then reconstruct the original image from the "scan" data.