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Perceptual watermarks for digital images and video
1999
Security and Watermarking of Multimedia Contents
The growth of new imaging technologies has created a need for techniques that can be used for copyright protection of digital images. Copyright protection involves the authentication of image content and/or ownership and can be used to identify illegal copies of a (possibly forged) image. One approach for copyright protection is to introduce an invisible signal known as a digital watermark in the image. In this paper, we describe digital image watermarking techniques, known as perceptually
doi:10.1117/12.344700
dblp:conf/sswmc/WolfgangPD99
fatcat:e6vabfq3pzbzzersfcxz5oeug4