Fragile Watermarking Based on QR Decomposition and Fourier Transform.
Fatemeh NejatiHedieh SajediAlireza ZohourianPublished in: Wirel. Pers. Commun. (2022)
Keyphrases
- fourier transform
- fragile watermarking
- qr decomposition
- decomposition method
- frequency domain
- dimension reduction
- linear discriminant analysis
- singular value decomposition
- signal processing
- fragile watermarking scheme
- fourier domain
- discrete fourier transform
- scatter matrices
- correlation function
- discriminant analysis
- dimensionality reduction
- fast fourier transform
- matrix inversion
- fourier coefficients
- image processing
- neural network
- support vector machine svm
- unsupervised learning
- feature extraction
- data mining