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Publication Detail
Virtual edge illumination and one dimensional beam tracking for absorption, refraction, and scattering retrieval
Abstract
We propose two different approaches to retrieve x-ray absorption, refraction, and scattering signals using a one dimensional scan and a high resolution detector. The first method can be easily implemented in existing procedures developed for edge illumination to retrieve absorption and refraction signals, giving comparable image quality while reducing exposure time and delivered dose. The second method tracks the variations of the beam intensity profile on the detector through a multi-Gaussian interpolation, allowing the additional retrieval of the scattering signal.
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Dept of Med Phys & Biomedical Eng
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London Centre for Nanotechnology
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