This is a suite of MATLAB functions for analyzing atomic resolution electron microscopy images using the two-dimensional polyhedral template matching (2D-PTM) method: Details in: D. Britton, A. Hinojos, M. Hummel, D.P. Adams, D.L. Medlin, Materials Characterization 213 (2024) 114017. https://doi.org/10.1016/j.matchar.2024.114017