Error using all example_3d :
??? Seven inputs are required.
Error in ==> bspline_transform at 46
I=bspline_transform_3d_single(single(O(:,:,:,1)),single(O(:,:,:,2)),single(O(:,:,:,3)),single(I),single(Spacing(1)),single(Spacing(2)),single(Spacing(3)),single(black));
Error in ==> get_example_data at 17
V1=bspline_transform(O_trans,V2,Spacing);
Error in ==> example_3d_affine at 10
[I1,I2]=get_example_data;
