Dear Imfusion support,
I am testing different optimisers for registering ultrasound volume pairs and they typically only have a partial overlap. I am performing a rigid registration and using the NCC loss. This is an example of output obtained:
Nelder-Mead simplex algorithm (local, no-derivative)
Adding Zero-Mask to 1mov_2_vol9_30deg
Adding Zero-Mask to fixed_image 7
509 evaluations in 2.87387 seconds, parameter tolerance
-22.4134 -2.68474 -0.296537 2.20769 -3.97804 -0.786304 → 0.989506 (0.603707)
I was wondering which formulation of the NCC loss is implemented in the software please. Is the masking used to remove the zero pixels part of padding? What are these 2 values obtained 0.989506 (0.603707)? Thanks a lot for the support! Best, Maria