Keyphrases
- wavelet domain
- multiscale
- wavelet decomposition
- denoising
- denoising algorithm
- locally optimal
- wavelet coefficients
- phase information
- spatial domain
- wavelet transform
- wavelet domain hidden markov tree
- watermarking algorithm
- image denoising
- input image
- image watermarking scheme
- image data
- shift invariant
- discrete wavelet transform
- multiresolution
- high frequency
- watermark detection
- image segmentation
- image retrieval
- low frequency
- image features
- subband
- edge detection
- globally optimal
- watermark embedding
- sar images
- low level
- wavelet basis
- digital watermark
- watermarking technique
- gaussian noise
- watermarking scheme
- image classification
- pixel values
- human visual system
- feature extraction
- order statistics filters
- image processing
- similarity measure
- computational complexity
- dynamic programming
- statistical model
- noisy images