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. 2015 Jun 11;42(7):4033–4042. doi: 10.1118/1.4922201

FIG. 1.

FIG. 1.

Flowchart describing 5DCT image generation. Several scans were acquired with breathing surrogate measurements. One scan was chosen as the reference image and deformably registered to the others. A motion model was used to generate a deformation vector field, R, which gave each voxel’s displacement from the reference breathing phase (v0,f0) to a user selected phase (v1,f1) as a function of breathing amplitude v, rate f, and position x0,y0,z0. R was then used to deform the reference, creating a new image at breathing phase (v1,f1).