Cryptographic copyright protection for d
โ
Joseph ร Ruanaidh; Holger Petersen; Alexander Herrigel; Shelby Pereira; Thierry
๐
Article
๐
1999
๐
Elsevier Science
๐
English
โ 413 KB
In this paper we present a new approach for the secure and robust copyright protection of digital images. We describe a system for generating digital watermarks and for trading watermarked images. The system is based on a new watermarking technique, which is robust against image transformation techn