Image steganography using contourlet transform and matrix decomposition techniques.
Mansi SubhedarVijay H. MankarPublished in: Multim. Tools Appl. (2019)
Keyphrases
- contourlet transform
- matrix decomposition
- low rank
- nonnegative matrix factorization
- multiscale
- subband
- multiresolution
- image denoising
- translation invariant
- singular values
- image fusion
- image representation
- texture images
- discrete wavelet transform
- high frequency
- low frequency
- singular value decomposition
- wavelet transform
- matrix factorization
- fusion method
- missing data
- negative matrix factorization
- linear combination
- bit rate
- image compression
- frequency domain
- convex optimization
- data fusion
- pattern recognition
- denoising
- object recognition
- image processing
- semi supervised
- signal processing
- data representation
- feature vectors
- natural images
- wavelet domain