% *********************************************************
% COMPRESSION OF 8x8-DIMENSIONAL SIGNAL BY COSINE TRANSFROM
% *********************************************************
%
%  INPUTS:  x : 8 by 8 array to be compressed
%               with integer elements in (0,255)
%           Q : quantization matrix
%
%  OUTPUT:  B : quantized and rounded cosine transform of x
%
function B=dct_compress88(x,Q)
%
% COMPUTATION OF COSINE TRANSFORM AND QUANTIZATION
%
X_c1=dct(x);
X_c=dct(X_c1')';
B=X_c./Q;
B=round(B);
%
% end