place in three dimensions over the three spatial dimensions and and every voxel now is labeled as you know one of a number of categories so you can do things like segment hip bones and things like this for you know preparing for hip replacement surgery and stuff like that and and it works really it works much better if you use 3d rather than 2d because you get the consistency of all the slices so as you see at the top here is there are artifacts of the recognition if you use kind of 2d segmentation perhaps with a little bit