Robust digital audio watermarking scheme using blind source separation with global optimal property |
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Authors: | Hua-liang Dai Di He |
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Institution: | DAI Hua-liang,HE Di(Department of Electronic Engineering,Shanghai Jiaotong University,Shanghai 200240,China) |
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Abstract: | The paper proposes a robust digital audio watermarking scheme using blind source separation(BSS) based on the global optimization of independency metric(IM),which is formulated as a generalized eigenvalue(GE) problem.Compared with traditional information-theoretical approaches used in digital audio watermarking,such as fast independent component analysis(FastICA),the proposed scheme has lower complexity without timeconsuming iteration steps used in FastICA.To make full use of the multiresolution characteris... |
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Keywords: | blind source separation(BSS) audio watermarking discrete wavelet transform(DWT) discrete cosine transform(DCT) independency metric(IM) |
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