Keyphrases
- image denoising
- gaussian mixture model
- denoising
- natural images
- noisy images
- total variation
- mixture model
- feature vectors
- em algorithm
- image processing
- wavelet coefficients
- wavelet domain
- expectation maximization
- maximum likelihood
- denoising algorithm
- feature space
- wavelet domain hidden markov tree
- denoising methods
- probability density function
- background subtraction
- video sequences
- gaussian distribution
- noise level
- computational complexity
- multiresolution
- multiscale
- computer vision
- pattern recognition
- high dimensional
- higher order