Get Dct (discrete Cosine Transform) Of Image On Android

I have a problem on how to compute the DCT of 8*8 bock of image on android. I'm using opencv on my android project and can't find proper method for getting dct. can anyone know how

Solution 1:

Have a look at this link:

Convert OpenCv DFT example from C++ to Android

you can replace the dft call with a call to Core.dct