Semin Kim Wesley De Neve Yong Man Ro A Statistical and Iterative Method for Data Hiding in Palette-Based Images. 170-183 2009 IWDW http://dx.doi.org/10.1007/978-3-642-03688-0_17 conf/iwdw/2009 db/conf/iwdw/iwdw2009.html#KimNR09