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Efficient Image Watermarking Algorithm Using Non-negative Matrix Factorization and Discrete Wavelet Transform.
Song Liang
Jinhui Lai
Delong Cui
Published in:
ICICA (2) (2012)
Keyphrases
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discrete wavelet transform
multiresolution
wavelet coefficients
subband
high frequency
wavelet domain
low frequency
digital watermarking
jpeg compression
high resolution
low resolution
visual quality
wavelet filters
complex wavelet transform