| BTF | Brightness Transfer Function |
| CMF | Color Mapping Function |
| EM | Expectation Maximization |
| GMMs | Gaussian Mixture Models |
| CIE | International Commission on Illumination |
| JIH | Joint Image Histogram |
| PSNR | Peak Signal-to-Noise Ratio |
| S | Source Image |
| S-CIELAB | Spatial CIELAB |
| SVR | Support Vector Regressor |
| T | Target Image |
| Corrected Image |