Research Article

Reconstruction of Positron Emission Tomography Images Using Gaussian Curvature

Figure 9

Reconstruction with (a) FBP, (b) curvature diffusion, (c) TV, and (d) proposed method. The square “a” is the zoomed-in region in (e) FBP, (f) curvature diffusion, (g) TV, and (h) the proposed method.
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)