Gray scale image watermarking using fuzzy entropy and Lagrangian twin SVR in DCT domain.
Ashok Kumar YadavRajesh MehtaRaj KumarPublished in: IC3 (2015)
Keyphrases
- gray scale
- image watermarking
- dct domain
- dct coefficients
- jpeg compression
- watermarking algorithm
- spatial domain
- transform domain
- additive noise
- color images
- discrete cosine transform
- post processing
- binary images
- compressed domain
- human visual system
- gray level
- low frequency
- watermarking technique
- discrete wavelet transform
- geometric distortions
- digital watermarking
- copyright protection
- feature vectors
- frequency domain
- wavelet domain
- high frequency
- error diffusion
- watermarking scheme
- signal processing
- reference frame
- lossy compression
- motion estimation
- multimedia