Figure 1.

Schematic of the voxel-shift scanning procedure. Colored checkerboard blocks represent slices during separate image acquisitions: red represents acquisition 1; blue represents acquisition 2; green represents acquisition 3. Slices are thicker in the slicing plane (0.4 mm) than the acquisition plane (0.2 mm). Each acquisition is offset in the slice plane such that the slice planes differ by an amount similar to the acquisition plane resolution (0.2 mm). In this example, an offset of 1 mm between acquisitions results in a 0.2 mm slice offset between acquisitions given the 0.4 mm slice thickness and 0.4 mm slice spacing. Across the full set of acquisitions, the volume is measured with high in-plane resolution (gray checkerboard cube represents the effective reconstructed voxel spacing).