Generalized Gaussian scale mixtures: A model for wavelet coefficients of natural images.
Praful GuptaAnush Krishna MoorthyRajiv SoundararajanAlan Conrad BovikPublished in: Signal Process. Image Commun. (2018)
Keyphrases
- generalized gaussian
- natural images
- wavelet coefficients
- image denoising
- probability density function
- multiscale
- kullback leibler divergence
- multiresolution
- statistical model
- wavelet domain
- gaussian model
- maximum a posteriori
- markov random field
- image processing
- prior distribution
- denoising algorithm
- pairwise
- high frequency
- probabilistic model
- wavelet transform
- sparse coding
- marginal distributions
- image patches
- noise free
- prior model
- input image