A WATERMARKING TECHNIQUE FOR DIGITAL IMAGERY: FURTHER STUDIES
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TL;DR
This paper further study techniques for marking images introduced in [1], describing how their techniques withstand random errors and providing more details relative to the verification procedure.
Abstract
The growth of networked multimedia systems has created a need for the copyright protection of digital images. Copyright protection involves the authentication of image ownership and the identification of illegal copies of a (possibly forged) image. One approach is to mark an image by adding an invisible structure known as a digital watermark. In this paper we further study techniques for marking images introduced in [1]. In particular, we describe how our techniques withstand random errors. We also provide more details relative to our verification procedure. Finally, we discuss the recently proposed IBM attack.