A Color Image Steganography Based on Frequency Sub-band Selection.
Hai SuShan YangShuqing ZhangSongsen YuPublished in: CoRR (2021)
Keyphrases
- subband
- low frequency
- high frequency
- high pass
- discrete wavelet transform
- filter bank
- multiresolution
- low pass
- wavelet transform
- color images
- locally adaptive
- wavelet coefficients
- bandpass
- feature vectors
- color information
- frequency domain
- wavelet decomposition
- frequency band
- image compression
- bit rate
- color space
- wavelet domain
- contourlet transform
- data fusion
- lifting scheme
- color histogram
- wavelet packet
- signal processing
- histogram equalization
- high resolution
- perfect reconstruction
- similarity measure