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3. MPEG-1, MPEG-1: ISO/IEC JTC1 CD 11172, Coding of moving pictures and associated audio for digital storage media up to 1.5 Mbit/s—part 2: video, ISO, 1992.
4. MPEG-2, MPEG-2: ISO/IEC JTC1 CD 13818, Generic coding of moving pictures and associated audio—part 2: video, ISO, 1994.
5. S.A. Khayam, The discrete cosine transform (DCT): theory and application, Technical Report WAVES-TR-ECE802.602, Wireless and Video Communications (WAVES) Lab at Michigan State University, 2003.