limhongki / admm_nonnegativity

A PET reconstruction formulation that enforces non-negativity in projection space for bias reduction in Y-90 imaging

This repository is for reproducing following paper:

Lim, Hongki, Yuni K. Dewaraja, and Jeffrey A. Fessler. "A PET reconstruction formulation that enforces non-negativity in projection space for bias reduction in Y-90 imaging." Physics in medicine and biology (2018).

Find the paper here.

BibTeX:

@article{lim2018pet,
  title={A PET reconstruction formulation that enforces non-negativity in projection space for bias reduction in Y-90 imaging},
  author={Lim, Hongki and Dewaraja, Yuni K and Fessler, Jeffrey A},
  journal={Physics in medicine and biology},
  year={2018},
  publisher={IOP Publishing}
}

Setting up and Reproducing

To reproduce the paper, please make sure you have the following:

Michigan Image Reconstruction Toolbox (MIRT) installed: http://web.eecs.umich.edu/~fessler/code/index.html.

Then simply run "main.m".

"main.m" includes reconstructions using SPS-Reg, Neg-ML-Reg, ADMM-Reg in the paper. There are comments in the code. Please contact "[email protected]" if you have any questions.

Updated 02/07/2018