New approach for transformation-invariant image and video watermarking in the spatial domain: self-spanning patterns (SSP)

Jana Dittmann; Thomas Fiebig; Ralf Steinmetz

doi:10.1117/12.384971

9 May 2000 New approach for transformation-invariant image and video watermarking in the spatial domain: self-spanning patterns (SSP)

Jana Dittmann, Thomas Fiebig, Ralf Steinmetz

Author Affiliations +

Proceedings Volume 3971, Security and Watermarking of Multimedia Contents II; (2000) https://doi.org/10.1117/12.384971
Event: Electronic Imaging, 2000, San Jose, CA, United States

Abstract

A variety of robust non-perceptual watermarking methods have been proposed to solve the illegal copying and proof of ownership problems. Although a number of broad claims have been made in the field of robustness of various digital watermarking methods. It is still difficult to handle combined or non-linear geometric transformations. In this paper we propose the SSP approach. We use a correlation based watermark pattern approach in the spatial domain which operates on image inherent properties when selecting the marking positions: self spanning patterns (SSP). Each watermark pattern which represents one information bit of the whole watermark string is spanned over four image inherent properties like image edges or corners. These four points specify a polygon over which the watermark pattern is spanned using a polygon filling algorithm. After transformations we search for our points based on the image characteristics. Then we span our pattern over the points and check if there was a one or a zero embedded. Continuing that for all pattern positions we can build the whole watermark string. The advantage of the SSPs is that transformations need not be recognized, the marking positions and our pattern shape can be automatically found.

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Jana Dittmann, Thomas Fiebig, and Ralf Steinmetz "New approach for transformation-invariant image and video watermarking in the spatial domain: self-spanning patterns (SSP)", Proc. SPIE 3971, Security and Watermarking of Multimedia Contents II, (9 May 2000); https://doi.org/10.1117/12.384971

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