Fig. 3.From: Blob-ology and biology of cryo-EM: an interview with Helen SaibilEinstein from noise. An image of Einstein appears from 1000 images of pure white noise by using a normalized cross-correlation function and the photo as a model. Reprinted from [6], Journal of Structural Biology, vol. 166, M. Shatsky et al., A method for the alignment of heterogeneous macromolecules from electron microscopy, pp. 67–78, Copyright 2009, with permission from ElsevierBack to article page