Computation of 2D 8×8 DCT Based on the Loeffler Factorization Using Algebraic Integer Encoding. - Diego F. G. Coelho; Sushmabhargavi Nimmalapalli; Vassil S. Dimitrov; Arjuna Madanayake; Renato J. Cintra; Arnaud Tisserand (IEEE Trans. Computers, 2018)