Ayoub Massoudi Frédéric Lefèbvre Marc Joye Cryptanalysis of a Video Scrambling Based on Space Filling Curves. 1683-1686 2007 ICME http://dx.doi.org/10.1109/ICME.2007.4284992 conf/icmcs/2007 db/conf/icmcs/icme2007.html#MassoudiLJ07