Connected components on discrete and continuous multilabel 3D & 2D images. Handles 26, 18, and 6 connected variants; periodic boundaries (4, 8, & 6)

Euclidean distance & signed distance transform for multi-label 3D anisotropic images using marching parabolas.

Skeletonize densely labeled 3D image segmentations with TEASAR. (Medial Axis Transform)

Dijkstra's Shortest Path for 6, 18, and 26-Connected 3D (Volumetric) Image Volumes

Marching Cubes & Mesh Simplification on multi-label 3D images.

Remap, mask, renumber, unique, and in-place transposition of 3D labeled images. Point cloud too.

The Parallel Framework for Image Registration