An SVD-based image watermarking in wavelet domain using SVR and PSO.
Hung-Hsu TsaiYu-Jie JhuangYen-Shou LaiPublished in: Appl. Soft Comput. (2012)
Keyphrases
- wavelet domain
- image watermarking
- discrete wavelet transform
- watermarking algorithm
- image watermarking scheme
- support vector regression
- wavelet coefficients
- spatial domain
- jpeg compression
- wavelet transform
- denoising
- multiresolution
- spread spectrum
- multiscale
- watermark embedding
- human visual system
- image denoising
- singular value decomposition
- subband
- digital watermarking
- watermarking scheme
- high frequency
- copyright protection
- additive noise
- geometric distortions
- image processing
- digital images
- low frequency
- multimedia content
- noisy images
- natural images
- lossy compression
- edge detection
- similarity measure
- feature extraction
- high level
- image segmentation
- computer vision