Joint Spatial and Frequency Domains Watermarking Algorithm Based on Wavelet Packets.
Yinghua LuWei WangJun KongJialing HanGang HouPublished in: Australian Conference on Artificial Intelligence (2005)
Keyphrases
- watermarking algorithm
- wavelet packet
- wavelet packet decomposition
- wavelet domain
- denoising
- image watermarking
- subband
- filter bank
- signal processing
- wavelet decomposition
- jpeg compression
- wavelet transform
- copyright protection
- multiresolution
- image processing
- quadtree
- multiscale
- lossy compression
- watermarking scheme
- discrete wavelet transform
- object recognition
- low pass
- watermarking technique
- non stationary
- geometric distortions
- digital watermarking
- image denoising
- high frequency
- wavelet coefficients
- image compression
- noisy images
- dct coefficients
- image coding
- computationally efficient
- feature vectors
- feature space
- video sequences
- lifting scheme
- high quality