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- W4288093382 abstract "Reconstruction of few-view x-ray Computed Tomography (CT) data is a highly ill-posed problem. It is often used in applications that require low radiation dose in clinical CT, rapid industrial scanning, or fixed-gantry CT. Existing analytic or iterative algorithms generally produce poorly reconstructed images, severely deteriorated by artifacts and noise, especially when the number of x-ray projections is considerably low. This paper presents a deep network-driven approach to address extreme few-view CT by incorporating convolutional neural network-based inference into state-of-the-art iterative reconstruction. The proposed method interprets few-view sinogram data using attention-based deep networks to infer the reconstructed image. The predicted image is then used as prior knowledge in the iterative algorithm for final reconstruction. We demonstrate effectiveness of the proposed approach by performing reconstruction experiments on a chest CT dataset." @default.
- W4288093382 created "2022-07-28" @default.
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- W4288093382 date "2019-10-11" @default.
- W4288093382 modified "2023-10-16" @default.
- W4288093382 title "Extreme Few-view CT Reconstruction using Deep Inference" @default.
- W4288093382 doi "https://doi.org/10.48550/arxiv.1910.05375" @default.
- W4288093382 hasPublicationYear "2019" @default.
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