There are some papers by the JPEGMini people that give a pretty good hint as to how it works: http://spie.org/Publications/Proceedings/Paper/10.1117/12.872231

There are some papers by the JPEGMini people that give a pretty good hint as to how it works: http://spie.org/Publications/Proceedings/Paper/10.1117/12.872231 http://spie.org/Publications/Proceedings/Paper/10.1117/12.87... http://spie.org/Publications/Proceedings/Paper/10.1117/12.872230 http://spie.org/Publications/Proceedings/Paper/10.1117/12.87...