How to do a Bspline image interpolation (2D/3D) using Matlab?

I am looking for a differentiable Bspline image interpolation implementation using Matlab. The build-in functions in Matlab can not interpolate the image with a differentiable interpolation.

interp2(ix, iy, image开发者_开发技巧, ixt, iyt, 'linear', 0);
interp2(ix, iy, image, ixt, iyt, 'spline', 0);

Also the IMTRANSFORM is not capable of doing Bspline interpolation.

Any ideas please tell me. Thanks, Aaronne.