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    Improved High Capacity Spread Spectrum-Based Audio Watermarking by Hadamard Matrices

    Traditional spread spectrum-based audio watermarking methods usually use randomly generated pseudonoise sequences for watermark embedding and extraction. In this paper, we use Hadamard sequences, which are row...

    Yiming Xue, Kai Mu, Yan Li, Juan Wen, ** Zhong… in Digital Forensics and Watermarking (2019)