A Combined SVD-DWT Watermarking Scheme with Multi-level Compression Using Sampling and Quantization on DCT Followed by PCA.
Shaik K. AyeshaVazhora Malayil ManikandanV. MasilamaniPublished in: FICTA (1) (2014)
Keyphrases
- watermarking scheme
- watermark embedding
- jpeg compression
- jpeg images
- digital watermarking
- watermark extraction
- digital watermark
- image watermarking
- singular value decomposition
- watermark detection
- dct coefficients
- principal component analysis
- watermarking algorithm
- lossy compression
- discrete cosine transform
- image compression
- geometric attacks
- spread spectrum
- dimensionality reduction
- image authentication
- discrete wavelet transform
- copyright protection
- singular values
- watermarked image
- geometric distortions
- semi fragile
- watermarking technique
- watermarking method
- image normalization
- image watermarking scheme
- transform domain
- dct domain
- error correction
- spatial domain
- data hiding
- wavelet domain
- human visual system
- digital image watermarking
- digital images
- feature extraction
- image processing operations
- compression ratio
- compression algorithm
- reversible watermarking
- transform coding
- compressed domain
- frequency domain
- subband
- image quality
- signal processing
- multiresolution
- feature space
- low bit rate
- lossless compression
- additive noise
- wavelet transform
- face recognition