| cimg2nimg | cimg to nimg conversion |
| face | A face image. |
| get_BS_energy | Calculate the BS feature energy |
| gf_decompose | Scale-space decomposition by the guided filter |
| gf_decompose_parts | Scale-space decomposition |
| gf_decompose_scale | Scale-space decomposition by the guided filter |
| gf_reconstruct | Reconstruct the original image from decomposed data |
| im_load | Load image from file or URL |
| im_save | Save an image to disk |
| modif | Apply material editing effect |
| modif2 | Apply material editing effect (For advanced users) |
| modif_dim | Check the scale information of an image |
| nimg2cimg | nimg to cimg conversion |
| plot.nimg | Display an image |