This paper presents a novel method for steganographic image watermarking with two main innovative features: i) it involves a hierarchical control, committing the watermark reconstruction to a trusted layered authority; and ii) it is deterministic, embedding a short meaningful signature into the cover image. Experimental results show that the embedded signature can be accurately recovered even in presence of a reasonable amount of image degradation due to image processing operators, such as filtering, geometric distorsions and compression.
Hierarchical deterministic image watermarking via polynomial interpolation
2005-01-01
139624 byte
Conference paper
Electronic Resource
English
Hierarchical Deterministic Image Watermarking via Polynomial Interpolation
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