| anisotrope_diff | Smooth an image by edge-preserving anisotropic diffusion. |
| anisotropic_diffusion | Perform an anisotropic diffusion of an image. |
| eliminate_min_max | Smooth an image in the spatial domain to suppress noise. |
| eliminate_sp | Replace values outside of thresholds with average value. |
| fill_interlace | Interpolate 2 video half images. |
| gauss_image | Smooth using discrete gauss functions. |
| info_smooth | Information on smoothing filter smooth_image. |
| isotropic_diffusion | Perform an isotropic diffusion of an image. |
| mean_image | Smooth by averaging. |
| mean_n | Average gray values over several channels. |
| mean_sp | Suppress salt and pepper noise. |
| median_image | Median filtering with different rank masks. |
| median_separate | Separated median filtering with rectangle masks. |
| median_weighted | Weighted median filtering with different rank masks. |
| midrange_image | Calculate the average of maximum and minimum inside any mask. |
| rank_image | Smooth an image with an arbitrary rank mask. |
| sigma_image | Non-linear smoothing with the sigma filter. |
| smooth_image | Smooth an image using recursive filters. |
| trimmed_mean | Smooth an image with an arbitrary rank mask. |