Why my fractal image compression code doesn't work at MRI image

Hello, currently i'm using a code to compress a MRI medical image but it's failed to compress that image. Could anyone help me solve this problem. Your help is greatly appreciated. Thank you.

Below is the error i found in MATLAB Command Window

 Error using qtdecomp>ParseInputs (line 136)
 A must be two-dimensional. 

 Error in qtdecomp (line 87)
 [A, func, params, minDim, maxDim] = ParseInputs(varargin{:});

 Error in main (line 18)
 s=qtdecomp(I,0.1,[1 64]);%divides image using quadtree decomposition of

Answer 1

[Walter Roberson]

The code is designed for single grayscale images. The MRI image you are using might be color or might be a series of slices all stored in the same file.

[magnum ex]

Ok, i got it. Thank you very much, sir.