Computing methods for icosahedral and symmetry-mismatch reconstruction of viruses by cryo-electron microscopy

Zhu Bin¹, Cheng Lingpeng^{2, †}, Liu Hongrong^{1, ‡}

Schematic of 3D interpolation in cylindrical coordinates shows how a central section cuts the various annuli. Three-dimensional Fourier space is sampled on planes of constant Z and annuli of constant R within each plane.