1. Analytical noise treatment for low-dose CT projection data by penalized weighted least-square smoothing in the K-L domain;Hongbing;Chin. J. Med. Phys.,2002
2. Statistical image reconstruction for polyenergetic X-ray computed tomography;Elbakri;IEEE Trans. Med. Imaging,2002
3. Efficient and accurate likelihood for iterative image reconstruction in X-ray computed tomography;Elbakri;SPIE Med. Imaging,2003
4. Signal statistics in X-ray computed tomography;Whiting;SPIE Med. Imaging,2002
5. Nonlinear sinogram smoothing for low-dose X-ray CT;Li;IEEE Trans. Nucl. Sci.,2004