Keyphrases
- digital image watermarking scheme
- jpeg compression
- digital images
- discrete wavelet transform
- watermarking algorithm
- watermarking scheme
- vector quantized
- gaussian noise
- peak signal to noise ratio
- dct coefficients
- vector quantization
- pattern recognition
- image quality
- visual quality
- signal processing
- high resolution
- digital watermarking
- additive noise
- feature vectors
- geometric distortions
- human visual system
- video compression
- computer vision
- high frequency
- image restoration
- multiresolution
- video sequences
- multiscale