Curvelet transform based image denoising via Gaussian mixture model.
M. Alptekin EnginBulent CavusogluPublished in: SIU (2014)
Keyphrases
- gaussian mixture model
- image denoising
- denoising
- noisy images
- total variation
- mixture model
- natural images
- image processing
- wavelet domain
- nonlinear diffusion
- denoising algorithm
- em algorithm
- expectation maximization
- maximum likelihood
- feature vectors
- background subtraction
- denoising methods
- wavelet coefficients
- feature space
- frequency domain
- gaussian distribution
- noise level
- probability density function
- multiresolution
- multiscale