Ebrahimi, TouradjMacq, Benoit2007-09-192007-09-192007-09-19200310.1016/S0923-5965(02)00142-Xhttps://infoscience.epfl.ch/handle/20.500.14299/12236WOS:0001820446000013551Special Issue on Image security: secure imaging - is it necessary?text::journal::journal article::research article