function [I2] = jpeg_compress(I1, q, display)

%Quantification matrix
Q = [16  11  10  16  24   40   51   61 ;
    12  12  14  19  26   58   60   55 ;
    14  13  16  24  40   57   69   56 ;
    14  17  22  29  51   87   80   62 ;
    18  22  37  56  68   109  103  77 ;
    24  35  55  64  81   104  113  92 ;
    49  64  78  87  103  121  120  101;
    72  92  95  98  112  100  103  99 ];

%Conversion to double
I2 = double(I1);

%Mapping q - alpha 


%DCT (dct2)


%Quantification


%Dequantification


%Inverse DCT


end

