Security analysis of a reversible watermarking algorithm for encrypted images in wavelet domain.
Lisha MaLei ChenShihong WangPublished in: Multim. Tools Appl. (2019)
Keyphrases
- wavelet domain
- watermarking algorithm
- security analysis
- embedded image
- lossy compression
- denoising
- spatial domain
- multiscale
- wavelet coefficients
- wavelet transform
- geometric distortions
- shift invariant
- human visual system
- image denoising
- multiresolution
- discrete wavelet transform
- image data
- jpeg compression
- input image
- subband
- image watermarking
- image retrieval
- spread spectrum
- edge detection
- image features
- high frequency
- image classification
- encryption scheme
- copyright protection
- signal processing
- image processing
- digital image watermarking
- watermarked image
- public key
- smart card
- image sequences