Keyphrases
- wavelet domain
- watermarking algorithm
- denoising
- wavelet coefficients
- spatial domain
- discrete wavelet transform
- wavelet transform
- multiresolution
- jpeg compression
- shift invariant
- multiscale
- subband
- image denoising
- wavelet decomposition
- human visual system
- spread spectrum
- image watermarking
- high frequency
- copyright protection
- embedded image
- watermark extraction
- image processing
- low frequency
- motion estimation
- watermarking technique
- digital image watermarking
- feature vectors
- geometric distortions
- watermark embedding
- digital watermarking
- watermark detection
- noisy images
- dct coefficients
- neural network
- frequency domain
- image restoration
- natural images
- image compression
- signal processing
- video sequences
- machine learning