Beyond noise power in 3D computed tomography: the local NPS and off-diagonal elements of the Fourier domain covariance matrix
A. R. Pineda, D. J. Tward, A. Gonzalez, and J. H. Siewerdsen, in Medical physics
A. R. Pineda, D. J. Tward, A. Gonzalez, and J. H. Siewerdsen, in Medical physics