Model-Based Nonuniform Compressive Sampling and Recovery of Natural Images Utilizing a Wavelet-Domain Universal Hidden Markov Model.
Behzad ShahrasbiNazanin RahnavardPublished in: IEEE Trans. Signal Process. (2017)
Keyphrases
- hidden markov models
- natural images
- wavelet domain
- denoising
- image denoising
- multiscale
- compressed sensing
- discrete wavelet transform
- spatial domain
- wavelet coefficients
- noisy images
- object recognition
- input image
- wavelet transform
- higher order
- image patches
- transform domain
- image processing
- sparse coding
- power spectrum
- multiresolution
- conditional random fields
- frequency domain
- human visual system
- motion estimation
- image reconstruction
- image representation