Low-Frequency Data Embedding for DFT-Based Image Steganography.
Petar Branislav JelusicAnte PoljicakDavor DonevskiTomislav CigulaPublished in: Int. J. Softw. Sci. Comput. Intell. (2022)
Keyphrases
- low frequency
- data embedding
- frequency domain
- spatial domain
- data hiding
- high frequency
- compressed images
- dct domain
- manifold learning
- error concealment
- subband
- feature extraction
- discrete wavelet transform
- watermarked image
- grayscale images
- visual quality
- filter bank
- denoising
- wavelet transform
- transform domain
- information hiding
- error correction
- dct coefficients
- multiresolution
- video data
- bit rate