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Coverless steganography based on image retrieval of DenseNet features and DWT sequence mapping.
Qiang Liu
Xuyu Xiang
Jiaohua Qin
Yun Tan
Junshan Tan
Yuanjing Luo
Published in:
Knowl. Based Syst. (2020)
Keyphrases
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image retrieval
feature set
feature vectors
image features
discrete wavelet transform
image data
low level
feature extraction
multiresolution
feature selection
image database
feature space
visual features
frequency domain
wavelet coefficients
keypoints
wavelet domain