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- W2170114828 abstract "One of the main challenges in Computed Tomography (CT) is how to balance between the amount of radiation the patient is exposed to during scan time and the quality of the CT image. We propose a mathematical model for adaptive CT acquisition whose goal is to reduce dosage levels while maintaining high image quality at the same time. The adaptive algorithm iterates between selective limited acquisition and improved reconstruction, with the goal of applying only the dose level required for sufficient image quality. The theoretical foundation of the algorithm is nonlinear Ridgelet approximation and a discrete form of Ridgelet analysis is used to compute the selective acquisition steps that best capture the image edges. We show experimental results where for the same number of line projections, the adaptive model produces higher image quality, when compared with standard limited angle, non-adaptive acquisition algorithms." @default.
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- W2170114828 date "2013-06-01" @default.
- W2170114828 modified "2023-09-25" @default.
- W2170114828 title "Adaptive Compressed Tomography Sensing" @default.
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- W2170114828 doi "https://doi.org/10.1109/cvpr.2013.285" @default.
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