软 X 射线断层摄影中的 PSF 校正。
PSF correction in soft X-ray tomography.
机构信息
Department of Anatomy, University of California, San Francisco, CA 94143, USA.
Department of Anatomy, University of California, San Francisco, CA 94143, USA; Molecular Biophysics and Integrated Bioimaging, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
出版信息
J Struct Biol. 2018 Oct;204(1):9-18. doi: 10.1016/j.jsb.2018.06.003. Epub 2018 Jun 13.
Abstract
In this article, we introduce a linear approximation of the forward model of soft X-ray tomography, such that the reconstruction is solvable by standard iterative schemes. This linear model takes into account the three-dimensional point spread function (PSF) of the optical system, which consequently enhances the reconstruction of data. The feasibility of the model is demonstrated on both simulated and experimental data, based on theoretically estimated and experimentally measured PSFs.
摘要
在本文中，我们引入了软 X 射线断层摄影术正向模型的线性近似，使得重建可以通过标准迭代算法求解。该线性模型考虑了光学系统的三维点扩散函数（PSF），从而增强了数据的重建。基于理论估计和实验测量的 PSF，我们在模拟和实验数据上验证了该模型的可行性。
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