>people do not evaluate an object like a computer processing pixels, but based on an imagined internal skeleton Well, maybe not how computers typically process

>people do not evaluate an object like a computer processing pixels, but based on an imagined internal skeleton Well, maybe not how computers typically process pixels nowadays, but back in the old days of computer vision one technique for simplifying an image was skeletonization : https://en.wikipedia.org/wiki/Topological_skeleton https://en.wikipedia.org/wiki/Topological_skeleton