Dual-tree complex wavelet coefficient magnitude modelling using the bivariate Cauchy-Rayleigh distribution for image denoising.
Paul R. HillAlin AchimDavid R. BullMohammed E. Al-MuallaPublished in: Signal Process. (2014)
Keyphrases
- image denoising
- dual tree
- wavelet coefficients
- wavelet domain
- denoising
- discrete wavelet transform
- shift invariant
- wavelet transform
- natural images
- wavelet thresholding
- noisy images
- denoising algorithm
- image processing
- multiscale
- subband
- high frequency
- wavelet decomposition
- multiresolution
- sar images
- low frequency
- denoising methods
- probability distribution
- wavelet domain hidden markov tree
- signal processing
- higher order
- input image
- generalized gaussian
- feature vectors