Morphology: Counting Nuts and Bolts2026-11-11computer‑visionmorphologyerosiondilationopeningclosingreconstructiondistance‑transformtop‑hatsegmentationcomp9517agenticMathematical morphology as a repair kit for binary masks, from erosion and dilation to reconstruction, the distance transform and the top-hat, ending in a pipeline that counts nuts and bolts.