Table 7 Results of the comparison between the NMF extracted components and the ground truth from Rietveld refinement on real PXRD data test
Method | Component | Ground truth | Rw (PC) |
---|---|---|---|
Conventional NMF | 1 | MgMn2O4 | 0.9214 (0.3402) |
2 | 0.9175 (0.3519) | ||
1 | tYOCl | 0.4498 (0.8863) | |
2 | 0.4575 (0.8819) | ||
stretchedNMF | 1 | MgMn2O4 | 0.8020 (0.5655) |
2 | 0.9831 (0.1246) | ||
1 | tYOCl | 0.6433 (0.7492) | |
2 | 0.3493 (0.9330) | ||
sparse-stretchedNMF | 1 | MgMn2O4 | 0.4851 (0.8682) |
2 | 0.9977 (0.0137) | ||
1 | tYOCl | 0.9646 (0.2254) | |
2 | 0.3273 (0.9422) |