Double Sided Watermark Embedding and Detection with Perceptual Analysis

In our previous work, we introduced a double-sided technique that utilizes but not reject the host interference. Due to its nice property of utilizing but not rejecting the host interference, it has a big advantage over the host interference schemes in that the perceptual analysis can be easily implemented for our scheme to achieve the locally bounded maximum embedding strength. Thus, in this work, we detail how to implement the perceptual analysis in our double-sided schemes since the perceptual analysis is very important for improving the fidelity of watermarked contents. Through the extensive performance comparisons, we can further validate the performance advantage of our double-sided schemes.

💡 Research Summary

The paper presents a novel approach to digital watermarking that combines a double‑sided embedding/detection framework with a perceptual analysis based on the human visual system (HVS). Unlike traditional host‑interference‑rejection (HIR) schemes, which deliberately suppress the influence of the host signal to simplify detection, the double‑sided method deliberately utilizes the host’s sign information during embedding. The basic embedding rule can be expressed as

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