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Gaussian Patch Mixture Model Guided Low-Rank Covariance Matrix Minimization for Image Denoising.
Jing Guo
Yu Guo
Qiyu Jin
Michael Kwok-Po Ng
Shuping Wang
Published in:
SIAM J. Imaging Sci. (2022)
Keyphrases
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collaborative filtering
image denoising
low rank
mixture model
matrix factorization
covariance matrix
covariance matrices
gaussian mixture model
gaussian mixture
minimization problems
maximum likelihood
denoising
total variation
natural images
em algorithm
objective function
image patches
noisy images
low rank matrix
expectation maximization
convex optimization
image processing
sample size
principal component analysis
wavelet coefficients
generative model
density estimation
probabilistic model
model selection
kernel matrix
partial differential equations
probability density function
unsupervised learning
language model
missing data
gaussian distribution
linear combination
gaussian noise
background subtraction
semi supervised
distance measure
wavelet transform
singular value decomposition
high order
high dimensional data
pattern recognition
multiscale
machine learning