Fig. 5
From: Unsupervised machine learning applied to scanning precession electron diffraction data
Construction and decomposition of an idealised model SPED dataset system comprising non-overlapping two-dimensional signals. a Schematic representation of hypothetical bi-crystal. b Ground truth end-member patterns and relative thickness of the two crystals. c Factors and loadings obtained by 2-component NMF. d Cluster centre average patterns and membership maps obtained by fuzzy clustering