An adjusted-purpose digital watermarking technique

Authors:
Yi-Ta Wu;Frank Y. Shih
Affiliations:
Computer Vision Laboratory, College of Computing Sciences, New Jersey Institute of Technology, Newark, NJ 07102, USA;Computer Vision Laboratory, College of Computing Sciences, New Jersey Institute of Technology, Newark, NJ 07102, USA
Venue:
Pattern Recognition
Year:
2004

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Abstract

Selection of a suitable watermarking technique is not easy since there exist many kinds of watermarking techniques for variant types of watermarks. In this paper, a novel adjusted-purpose digital watermarking technique is presented to simplify the selection and to integrate different watermarking techniques. The quantity factor is used to affect the embedded watermarks to become fragile, semi-fragile or robust watermarks. The varying sized transform window is designed to determine whether the embedded strategy should be in spatial or frequency domains. Furthermore, by extracting pixel-based features, our watermarking technique cannot only improve robustness of embedded watermarks, but also provide an integrated view in studies of digital watermarking.