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In this paper, we describe a technique to animate volumes using a volumetric skeleton. The skeleton is computed from the actual volume, based on a reversible thinning procedure using the distance transform. Polygons are never computed, and the entire process remains in the volume domain. The skeletal points are connected and arranged in a "skeleton-tree", which can be used for articulation in an animation program. The full volume object is regrown from the transformed skeletal points. Since thedoi:10.1145/288126.288152 dblp:conf/vvs/GagvaniKS98 fatcat:y7uho4wjxvhadi5a4sqmajljo4