| a.s. | almost surely |
| RVE | Representative Volume Element |
| CCD | Charge-Coupled Device |
| CMOS | Complementary Metal-Oxide-Semiconductor |
| DIC | Digital Image Correlation |
| DVC | Digital Volume Correlation |
| CT | micro-Computed Tomography |
| MRI | Magnetic Resonance Imaging |
| OCT | Optical Coherence Tomography |
| LS | Least Squares |
| MLE | Maximum Likelihood Estimation |
| MaxEnt | Maximum Entropy |
| KL | Karhunen-Loève |
| PC | Polynomial Chaos |
| FP | Fixed-Point |
| GA | Genetic Algorithm |
| FEM | Finite Element Method |