Using ray-traversal for 3D particle matching in the context of particle tracking velocimetry in fluid mechanics.An innovative method based on the traversal of rays, originating from detected particles, through a three-dimensional grid of voxels is presented. 
ray-traversal
Using ray-traversal for 3D particle matching in the context of particle tracking velocimetry in fluid mechanics.An innovative method based on the traversal of rays, originating from detected particles, through a three-dimensional grid of voxels is presented. 
particle tracking velocimetry