Fourier correction for spatially variant collimator blurring in SPECT. - Weishi Xia; Robert M. Lewitt; Paul R. Edholm (IEEE Trans. Medical Imaging, 1995)

Practical considerations for 3-D image reconstruction using spherically symmetric volume elements. - Samuel Matej; Robert M. Lewitt (IEEE Trans. Medical Imaging, 1996)

Image processing approaches to biological three-dimensional electron microscopy. - Gabor T. Herman; Roberto Marabini; José María Carazo; Edgar Garduño; Robert M. Lewitt; Samuel Matej (Int. J. Imaging Syst. Technol., 2000)

2.5 D Simultaneous Multislice Reconstruction by Iterative Algorithms from Fourier-Rebinned PET data. - T. Obi; Samuel Matej; Robert M. Lewitt; Gabor T. Herman (IEEE Trans. Medical Imaging, 2000)

Overview of methods for image reconstruction from projections in emission computed tomography. - Robert M. Lewitt; Samuel Matej (Proc. IEEE, 2003)

Optimal Ordering of Projections using Permutation Matrices and Angles between Projection Subspaces. - Ivan G. Kazantsev; Samuel Matej; Robert M. Lewitt (Electron. Notes Discret. Math., 2005)

Efficient 3-D TOF PET Reconstruction Using View-Grouped Histo-Images: DIRECT - Direct Image Reconstruction for TOF. - Samuel Matej; Suleman Surti; Shridhar Jayanthi; Margaret E. Daube-Witherspoon; Robert M. Lewitt; Joel S. Karp (IEEE Trans. Medical Imaging, 2009)

System models for PET statistical iterative reconstruction: A review. - Ana Iriarte; Roberto Marabini; Samuel Matej; Carlos Oscar Sánchez Sorzano; Robert M. Lewitt (Comput. Medical Imaging Graph., 2016)