A Combination of the Total Variation Filter and a Fourth-Order Filter for Image Registration

Figure 6

Test 2: Registered images for “circle to ellipse” (the smooth registration problem) shown in (a) and (b) of size 100 × 100. (c) -diffusion model, (d) -diffusion model, (e) Fourth-order-diffusion model, (f) Our model. Parameters: , , , , , and .

(a) Template image

(b) Reference image

(c) ()

(d) ()

(e) (fourth-order)

(f) (our model)