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A semi-fragile watermarking scheme for authenticating audio signal based on dual-tree complex wavelet transform and discrete cosine transform.
Ming-Quan Fan
Pei-Pei Liu
Hong-Xia Wang
Heng-Jian Li
Published in:
Int. J. Comput. Math. (2013)
Keyphrases
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discrete cosine transform
audio signal
discrete wavelet transform
image compression
subband
filter bank
transform domain
wavelet domain
multiresolution
wavelet transform
high frequency
image fusion
wavelet coefficients
low frequency
image processing
frequency domain
feature vectors
pseudorandom
multiscale