Fragile watermarking for image authentication based on DWT-SVD-DCT techniques.
Thai-Son NguyenPublished in: Multim. Tools Appl. (2021)
Keyphrases
- image authentication
- fragile watermarking
- jpeg compression
- dct coefficients
- singular value decomposition
- discrete cosine transform
- discrete wavelet transform
- digital watermarking
- jpeg images
- image watermarking
- tamper detection
- watermarking algorithm
- dct domain
- lossy compression
- image compression
- transform domain
- digital images
- compressed domain
- feature vectors
- watermarking scheme
- geometric distortions
- copyright protection
- multiresolution
- additive noise
- public key
- spatial domain
- singular values
- subband
- low bit rate
- wavelet domain
- gaussian noise
- lifting scheme
- image database
- image features
- feature extraction
- watermarked image
- high frequency
- wavelet coefficients
- human visual system
- gray level images
- peak signal to noise ratio
- image fusion
- low frequency