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- W2156767721 abstract "To compensate for sparse angular sampling in cone-beam computed tomography causing characteristic streak artifacts, we propose to increase the number of projected views by means of nonlinear directional interpolation. For this purpose, a specific method for accurate interpolation of 3D sinogram data based on a structure tensor approach has been developed. Quantitative evaluation of the interpolation error shows that our method clearly outperforms conventional interpolation schemes. Using a set of simulated cone-beam CT projection data, it is demonstrated that inclusion of interpolated projections into the reconstruction process significantly reduces streak artifacts and noise while preserving spatial resolution to a high degree." @default.
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- W2156767721 date "2005-04-12" @default.
- W2156767721 modified "2023-09-23" @default.
- W2156767721 title "Directional interpolation of sparsely sampled cone-beam CT sinogram data" @default.
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- W2156767721 doi "https://doi.org/10.1109/isbi.2004.1398691" @default.
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