Digital watermarking scheme exploiting non-deterministic dependence for image authentication

Article English OPEN
Li, Chang-Tsun ; Yuan, Yinyin (2006)
  • Publisher: S P I E - International Society for Optical Engineering
  • Related identifiers: doi: 10.1117/1.2402932
  • Subject: TA

Watermarking schemes for authentication purposes are characterized by three factors: security, resolution of tamper localization, and embedding distortion. Since the requirements of high security, high localization resolution, and low distortion cannot be fulfilled simultaneously, the relative importance of a particular factor is application-dependent. Moreover, blockwise dependence is recognized as a key requirement for fragile watermarking schemes to thwart the Holliman-Memon counterfeiting attack. However, it has also been observed that deterministic dependence is still susceptible to transplantation attack or even simple cover-up attack. This work proposes a fragile watermarking scheme for image authentication, which exploits nondeterministic dependence and provides the users with freedom of making trade-offs among the three factors according to the needs of their applications.
  • References (5)

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    [5] J Fridrich, M. Goljan and A.C. Baldoza, "New fragile authentication watermark for images," in Proc. IEEE International Conference on Image Processing, 694-697 (2000).

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