Quadratic regularization design for fan beam transmission tomography. - Hugo R. Shi; Jeffrey A. Fessler (Image Processing, 2005)

Toeplitz-based iterative image reconstruction for MRI with correction for magnetic field inhomogeneity. - Jeffrey A. Fessler; Sangwoo Lee; Valur T. Olafsson; Hugo R. Shi; Douglas C. Noll (IEEE Trans. Signal Process., 2005)

Quadratic Regularization Design for 2-D CT. - Hugo R. Shi; Jeffrey A. Fessler (IEEE Trans. Medical Imaging, 2009)