PBA+ is the improved version of the Parallel Banding Algorithm - an algorithm to compute the exact Euclidean Distance Transform (EDT) for a binary image in 2D and higher dimensions on GPU, you can find more on our website.
orzzzjq/Parallel-Banding-Algorithm-plus
Compute the exact Euclidean Distance Transform and Voronoi Diagram for 2D and 3D binary images using the GPU.
CMIT