Roberto Caldelli Franco Bartolini Vito Cappellini Alessandro Piva Mauro Barni A New Self-Recovery Technique for Image Authentication. 164-171 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2849&spage=164 2003 conf/vlbv/2003 VLBV db/conf/vlbv/vlbv2003.html#CaldelliBCPB03