In medical images, you don't record first and then compress later. Instead, you make sparse measurements and then reconstruct. Why? Because people move, so getting more frames/sec is a thing; you don't want people to stay for too long in the machine; and (ideally) with the same setup, you can focus on a smaller area and get a higher resolution than standard measurements too.
I was about to recommend the same book. Also, recommend Klosterman's interview with Tyler Cowen [1] if you want to get a sense of what the book feels like.
It randomly deletes all of the comments in the file. I had this happen at least four times. Preview overwrote the file, deleted all of my comments, which were at least a couple of hours of work.