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A Two-Stage Noise Level Estimation Using Automatic Feature Extraction and Mapping Model.
Shaoping Xu
Tingyun Liu
Guizhen Zhang
Yiling Tang
Published in:
IEEE Signal Process. Lett. (2019)
Keyphrases
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feature extraction
parameter estimation
em algorithm
feature selection
probabilistic model
noisy images
noise level
pairwise
maximum likelihood
model selection
noise reduction