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Algorithm Study on Reconstruction of Refractive Angles in Fan Beam Diffraction Enhanced Computed Tomography 下载免费PDF全文
Based on the 360° computing method of refractive angle for parallel beam diffraction enhanced imaging computed tomography (DE-CT) technique, a new algorithm used to calculate the refractive angle for fan-beam DE-CT technique is developed. The refractive index gradient can be obtained by using the new algorithm with projection data of an object in the range of 0 - 360°, and the new algorithm only needs to set the analyser at half slope position of the rocking curve. 相似文献
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