Media type: Electronic Conference Proceeding Title: Geometric enumerated chrominance watermark embed for spot colors Contributor: Lyons, Robert; Reed, Alastair; Stach, John imprint: SPIE, 2013 Published in: SPIE Proceedings Extent: Language: Not determined DOI: 10.1117/12.2009488 ISSN: 0277-786X Origination: Footnote: