I just published a new video in my lecture series on X-ray tomography (link). There I show how to use Matlab to simulate basic tomographic things such as sinograms and filtered back-projection algorithms. I also give an introductory discussion of measurement noise and how to supress it with a low-pass filter. This is how it looks like:
About The Author
I am a Finnish mathematician mainly interested in inverse problems of medical imaging. The goal of my scientific work is to design efficient numerical methods that have a sound mathematical basis and solve real-world problems.
Wonders of Mathematics: Matrices
Mathematical modelling: School of fish