DWT-DQFT-Based Color Image Blind Watermark with QR Decomposition.
Liangcheng QinLing MaXiongjun FuPublished in: SciSec (2021)
Keyphrases
- qr decomposition
- color images
- digital image watermarking scheme
- jpeg compression
- image watermarking
- discrete wavelet transformation
- digital watermarking
- discrete wavelet transform
- decomposition method
- dimension reduction
- geometric attacks
- watermarking algorithm
- linear discriminant analysis
- singular value decomposition
- watermarking scheme
- digital images
- image processing
- digital image watermarking
- watermark extraction
- watermarking technique
- copyright protection
- vector quantized
- scatter matrices
- watermark detection
- geometric distortions
- data sets
- dct coefficients
- discriminant analysis
- matrix inversion
- watermarking method
- gaussian noise
- support vector
- face recognition
- wavelet domain