11 pages matching refractive index in this book
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Gordon Stanford University
MA2 RECONSTRUCTION OF SPATIAL DISTRI
Cullen College of Engineering Stony Brook
angle aperture application approximately artifact attenuation coefficient axial tomography back-projection Budinger calculated closure phase coincidence collimator COMPUTERIZED TOMOGRAPHY cross-section detection distribution dose effect electron element emission energy equation error estimate fan beam field of view filter Fourier transform function gamma geometry Gordon helium ions IEEE Trans image reconstruction inverse iterative Laboratory Lawrence Berkeley Laboratory line integrals linear maximum entropy measured noise Nucl Nuclear Medicine object obtained optical particle patient photons picture pinhole pion plane point spread function positron positron camera problem procedure projection data radiation Radio Astronomy Radiology Radon transform ray paths recon reconstructed image reconstruction algorithm reconstruction from projections reconstruction method refractive index region resolution rotation sampling scanner scanning scatter shown in Figure simulated solution space spatial frequency spectral spectrum Stanford University struction Three-dimensional reconstruction tion tissue tomograms tomographic images transaxial two-dimensional values velocity x-ray zero