Each file is explained as follows:
- FBP.m: Filtered back projection algorithm for parallel beams.
- fanFBP.m: Filtered back projection algorithm for fan beams.
- SART.m: Simultaneous algebraic reconstruction algorithm.
- MLEM.m: Maximum likelihood estimation with hidden variables.
- Ridge.m: Gradient descent method based on ridge regression.
- FISTA.m: Fast-iterative-shrinkage-thresholding-algorithm.
MATLAB R2018b