Media type: Electronic Conference Proceeding Title: Collusion-secure patchwork embedding for transaction watermarking Contributor: Berchtold, Waldemar; Zmudzinski, Sascha; Schäfer, Marcel; Steinebach, Martin Published: SPIE, 2011 Published in: SPIE Proceedings (2011) Extent: Language: Not determined DOI: 10.1117/12.872584 ISSN: 0277-786X Origination: Footnote: