Pseudorandom noise sequence of digital watermarking algorithm based on discrete wavelet transform using medical image.
Ramesh MuthiyaGomathy BalasubramanianSundararajan ParamasivamPublished in: Int. Arab J. Inf. Technol. (2018)
Keyphrases
- pseudorandom
- medical images
- discrete wavelet transform
- watermarking algorithm
- wavelet domain
- jpeg compression
- image watermarking
- digital watermarking
- low frequency
- spatial domain
- uniformly distributed
- wavelet coefficients
- denoising
- geometric distortions
- shift invariant
- multiresolution
- high frequency
- wavelet transform
- gaussian noise
- phase information
- subband
- multiscale
- integer wavelet transform
- additive noise
- secret key
- image denoising
- signal processing
- human visual system
- region of interest
- image fusion
- copyright protection
- dual tree
- audio signal
- dct coefficients
- shift invariance
- signal to noise ratio
- motion estimation
- noisy images
- image authentication
- watermarking scheme
- dt cwt
- complex wavelet transform
- noise level
- frequency domain
- data hiding
- high resolution
- feature vectors
- high quality