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- W2085705364 abstract "This paper presents a novel adaptive safe-band for quantization based audio watermarking methods, aiming to improve robustness. Considerable number of audio watermarking methods have been developed using quantization based techniques. These techniques are generally vulnerable to signal processing attacks. For these conventional quantization based techniques, robustness can be marginally improved by choosing larger step sizes at the cost of significant perceptual quality degradation. We first introduce fixed size safe-band between two quantization steps to improve robustness. This safe-band will act as a buffer to withstand certain types of attacks. Then we further improve the robustness by adaptively changing the size of the safe-band based on the audio signal feature used for watermarking. Compared with conventional quantization based method and the fixed size safe-band based method, the proposed adaptive safe-band based quantization method is more robust to attacks. The effectiveness of the proposed technique is demonstrated by simulation results. © 2014 IEEE." @default.
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- W2085705364 date "2014-06-01" @default.
- W2085705364 modified "2023-09-25" @default.
- W2085705364 title "Robustness enhancement of quantization based audio watermarking method using adaptive safe-band" @default.
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- W2085705364 doi "https://doi.org/10.1109/icc.2014.6883432" @default.
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