Jae-Beom Lee Alexandros Eleftheriadis Spatio-temporal model-assisted very low-bit-rate coding with compatibility. 1517-1532 2005 15 IEEE Trans. Circuits Syst. Video Techn. 12 http://doi.ieeecomputersociety.org/10.1109/TCSVT.2005.857303 db/journals/tcsv/tcsv15.html#LeeE05