9. The method according to claim 1 , further comprising determining locations of observable features as linear distances from a reference point to the respective observable features, wherein the distances between observable features of the object are based at least in part of the locations of the observable features.
9. The method according to claim 1 , further comprising determining locations of observable features as linear distances from a reference point to the respective observable features, wherein the distances between observable features of the object are based at least in part of the locations of the observable features. 11. The method according to claim 9 , wherein the observed sequence of distances includes a set of consecutive differences in the locations of observable features along a length of the object.