| classify_pixels | Classifies the pixels of an image |
| define_cat | Creates a category object |
| define_rule | Creates a rule object |
| define_subcat | Creates a subcategory object |
| label_rule | Adds a label to the rule |
| pixelclasser | pixelclasser: Functions to classify pixels by colour |
| place_rule | Places a line on the rgb plot |
| plot_pixels | Plot the pixels of a transformed image |
| plot_rgb_plane | Plots a triangular plot to be filled with pixels and rules |
| plot_rule | Plots the line that defines a rule |
| read_image | Imports a jpg or tiff file. |
| save_classif_image | Saves a classified image in TIFF or JPEG format |