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An efficient distortion cost function design for image steganography in spatial domain using quaternion representation.
Qingliang Liu
Wenkang Su
Jiangqun Ni
Xianglei Hu
Jiwu Huang
Published in:
Signal Process. (2024)
Keyphrases
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spatial domain
cost function
frequency domain
temporal domain
transform domain
motion estimation
wavelet domain
multiscale
log polar
dct domain
computational complexity
wavelet transform
fourier transform
fourier domain