A digital watermarking algorithm based on discrete wavelet transformation (DWT) and single value decomposition (SVD) is proposed.
本文提出了一种基于离散小波变换和奇异值分解的数字水印算法。
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The electrocardiogram(ECG) is decomposed on the single value decomposition(SVD) into two time orthogonal subspaces, one containing ECG and the other containing artifacts.
ECG经奇异值正交分解后，将信号分解到信号空间和噪声空间中。
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