resizing 3D matrix (image) in MATLAB
You could use interp3 (since you want to interpolate 3D data): im=rand(2,3,4); %% input image ny=3;nx=3;nz=5; %% desired output dimensions [y x z]=… ndgrid(linspace(1,size(im,1),ny),… linspace(1,size(im,2),nx),… linspace(1,size(im,3),nz)); imOut=interp3(im,x,y,z);