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A Lattice-Based Embedding Method for Reversible Audio Watermarking
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DOI：10.1109/TDSC.2023.3314612.png)
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Abstract
En 中文
Existing reversible audio watermarking (RAW) techniques are often vulnerable to intentional or even unintentional attacks on the cover object. This article proposes a robust RAW scheme based on lattices, which is referred to as Meet-in-the-Middle Embedding (MME). In MME, the lattice quantization errors are properly scaled and added back to the quantized host signals such that the receiver can estimate the cover. Scaling factor serves as a key factor to the reversibility of MME, whose feasible range is rigorously justified. Both theoretically and experimentally, we demonstrate the superiority of MME to improved quantization index modulation (IQIM) in terms of signal-to-watermark ratio (SWR) and generalized signal-to-noise ratio (GSNR). Moreover, simulations show that MME also outperforms other state-of-the-arts in SWR, objective difference grade (ODG), and bit error rate (BER).
Keywords:
Reversible audio watermarking (RAW)
lattices
signal-to-watermark ratio (SWR)
bit error rate (BER)
Reversible audio watermarking (RAW)
lattices
signal-to-watermark ratio (SWR)
bit error rate (BER)
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