Fig. 7: Optimized Gaussian Mixture Model fits to the VLP widths extracted from the double pass AFM imaging show a one or two component model.
From: Analyzing atomic force microscopy images of virus-like particles by expectation-maximization

Distributions presented are AFM images following 0 h (A), 1 h (B), 2 h (C), and 3 h (D) aging following a second nanoindentation AFM pass.