A new solution to the curved Ewald sphere problem for 3D image reconstruction in electron microscopy
2021-01-04Code Available0· sign in to hype
J. P. J. Chen, K. E. Schmidt, J. C. H. Spence, R. A. Kirian
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Abstract
We develop an algorithm capable of imaging a three-dimensional object given a collection of two-dimensional images of that object that are significantly influenced by the curvature of the Ewald sphere. These two-dimensional images cannot be approximated as projections of the object. Such an algorithm is useful in cryo-electron microscopy where larger samples, higher resolution, or lower energy electron beams are desired, all of which contribute to the significance of Ewald curvature.