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Robust Steganography by Modifying Sign of DCT Coefficients.
Zhiqiang Zhu
Ning Zheng
Tong Qiao
Ming Xu
Published in:
IEEE Access (2019)
Keyphrases
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dct coefficients
jpeg images
discrete cosine transform
dct domain
transform domain
compressed domain
watermarking method
jpeg compression
three dimensional
pattern recognition
feature vectors
watermarking algorithm
spread spectrum
block dct