| getBrightness | The brighness map of an image (0 to 1). |
| getContrast | The contrast map of an image (0 to 1). |
| getDarkness | The darkness map of an image (0 to 1). |
| getHazeFactor | The haze factor for a given RGB array. |
| plotRGBArray | Plotting an RGB array on the graphics. |