| OMP | Orthogonal matching pursuit |
| HCSWM | Hierarchical compressed sensing method with a mask |
| HDWDS | Hierarchical decomposition method with the different sparse bases |
| HDWSS | Hierarchical decomposition method with the same sparse bases |
| MDPI | Multidisciplinary Digital Publishing Institute |
| DOAJ | Directory of open access journals |
| TLA | Three letter acronym |
| LD | Linear dichroism |