Figure 3:

Intensity-Based Registration and Dense Correspondence. (a) and (b) show two CT abdominal slices after arm and fat removal CNN, with (a) serving as the input image and (b) the atlas image. (c) shows the intensity-based registration between (a), shown in white, and (b), shown in red. (d) depicts the expert binary mask, shown in red, placed in the registration position of (b). (e) and (f) illustrate 3-point correspondences (red-red, blue-blue, and yellow-yellow) between the two registered images.