Keyphrases
- wavelet packet
- digital watermarking
- discrete wavelet transform
- subband
- filter bank
- denoising
- digital images
- copyright protection
- watermarking scheme
- wavelet domain
- multiresolution
- wavelet decomposition
- digital content
- watermarking algorithm
- high frequency
- wavelet transform
- non stationary
- quadtree
- watermarking technique
- image compression
- image coding
- frequency band
- jpeg compression
- image denoising
- pattern recognition
- feature selection
- wavelet coefficients
- feature vectors
- object recognition
- multimedia data
- frequency domain
- video data
- bit rate
- lossy compression
- geometric distortions
- image processing