Abstract—Incontrasttosteganography,steganalysisisfocusedondetecting(themaingoalofthisresearch),tracking,extracting,andmodifyingsecretmessagestransmittedthroughacovertchannel.Inthispaper,afeatureclassificationtechnique,basedontheanalysisoftwostatisticalpropertiesinthespatialandDCTdomains,