olemus
skemaatiline pilt, mis koosneb pildi elementide telgjoontest
= a schematic image consisting of the centerlines of the image elements

ISO/IEC 19794 (biomeetria):
objekti topoloogia pikselilaiune esitus
= line representation of an object that is one pixel thick through the "middle" of the object and preserves the topology of the object

ülevaateid
https://en.wikipedia.org/wiki/Topological_skeleton
https://en.wikipedia.org/wiki/Morphological_skeleton
https://en.wikipedia.org/wiki/Skeletal_animation