www.gusucode.com > Diabetic retinopathy > cosine_dct_basis.m

    

function B = cosine_dct_basis(N)

  B=zeros(N,N);
  
  for k=1:N
      for t=1:N 
        B(k,t)=cos(((2*(t-1)+1)*(k-1)*pi)/(2*N));
      end
  end
  
return