Hello Sanjay,

There is no build-in Contourlet function in MATLAB, but there are codes / toolboxes available on the File Exchange! You can take a look at:

1) The Contourlet function toolbox by Minh N. Do on the File Exhange: https://nl.mathworks.com/matlabcentral/fileexchange/8837-contourlet-toolbox

2) Alternatively, take a look at his other software packages: http://minhdo.ece.illinois.edu/software/

3) You can also read his papers for more information: Article The Contourlet Transform: An Efficient Directional Multireso...

Hope this helps you a bit!

Dear Sanjay Kumar ,

Look the link, maybe useful.

Article The Application of Contourlet Transform to Image Denoising

Regards,

Shafagat