| auto_threshold1 | Segment an image using thresholds determined from its histogram. |
| auto_threshold2 | Segment an image using thresholds determined from its histogram. |
| bin_threshold | Segment a black-and-white image using an automatically determined threshold. |
| char_threshold | Perform a threshold segmentation for extracting characters. |
| check_difference | Compare two image pixel by pixel. |
| class_2dim2 | Segment two images by clustering. |
| class_2dim__ | Segment an image using two-dimensional pixel classification. |
| class_ndim1__ | Classify pixels using hyper-spheres or hyper-cubes. |
| class_ndim2__ | Classify pixels using hyper-cuboids. |
| dyn_threshold__ | Segment an image using a local threshold. |
| expand_grey1 | Fill gaps between regions (depending on gray value or color) or split overlapping regions. |
| expand_grey2 | Fill gaps between regions (depending on gray value or color) or split overlapping regions. |
| expand_line | Expand a region starting at a given line. |
| fast_threshold | Fast selection of greyvalues within a given grey intervall. |
| histo_gauss | Smooth a histogram by averaging with a Gaussian mask. |
| histo_mean | Smooth a histogram by averaging its values. |
| histo_to_thresh | Determine gray value thresholds from a histogram. |
| hysteresis_threshold__ | Perform a hysteresis threshold operation on an image. |
| label_to_region | Extract regions with equal gray values from an image. |
| learn_ndim1__ | Construct clusters for class_ndim1__. |
| learn_ndim2__ | Train the current classifier using a multi-channel image. |
| local_max | Detect all local maxima in an image. |
| nonmax_suppression_amp | Suppress non-maximum points on an edge. |
| nonmax_suppression_dir | Suppress non-maximum points on an edge. |
| plateaus | Detect all gray value plateaus. |
| plateaus_center | Detect the centers of all gray value plateaus. |
| pouring | Segment an image by ``pouring water'' over it. |
| regiongrowing__ | Segment an image using regiongrowing. |
| regiongrowing_mean | Regiongrowing using mean gray values. |
| regiongrowing_n__ | Regiongrowing for multi-channel images. |
| threshold__ | Select gray values lying within an interval. |
| watersheds | Extract watersheds and basins from an image. |
| zero_crossing1 | Segment a Laplace image. |
| zero_crossing2 | Detect zero crossings in an image. |