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- W2105845107 abstract "Introduction Kand q-space MRI (1) is a classical method for measuring the entire average propagator, P(r), in each voxel of an imaging volume using a 3-D Inverse Fourier Transform (IFT) of the diffusion weighted imaging (DWI) signal, E(q). P(r) provides key architectural and microstructural features in tissues without employing a parametric model of the diffusion process. The bottleneck in measuring P(r) in vivo, however, is the large number of DWIs required. Our long-term goal is to measure P(r) in its entirety in each voxel of an imaging volume using about 256 DWIs. To achieve this we 1) reformulate the estimation of P(r) from DWI signals as a computed tomography (CT) reconstruction problem, 2) employ a priori information about properties of DWIs and P(r) to constrain the CT reconstruction, and 3) use this reconstruction framework to optimize the experimental design." @default.
- W2105845107 created "2016-06-24" @default.
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- W2105845107 date "2009-01-01" @default.
- W2105845107 modified "2023-09-26" @default.
- W2105845107 title "Computed Tomographic (CT) Reconstruction of the Average Propagator from Diffusion Weighted MR Data" @default.
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