Image watermarking using tree-based spatial-frequency feature of wavelet transform.
Xu-Dong ZhangJian FengKwok-Tung LoPublished in: J. Vis. Commun. Image Represent. (2003)
Keyphrases
- spatial frequency
- image watermarking
- low frequency
- wavelet transform
- discrete wavelet transform
- high frequency
- wavelet coefficients
- multiresolution
- texture segmentation
- subband
- wavelet domain
- watermarking algorithm
- digital watermarking
- image compression
- multiscale
- frequency domain
- copyright protection
- jpeg compression
- feature extraction
- feature set
- pattern recognition
- visual quality
- watermarked image
- geometric distortions
- image features
- feature vectors
- hyperspectral
- computer vision
- infrared
- image segmentation
- signal processing
- image processing