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Sparse time-frequency distributions based on the $$\ell _1$$ ℓ 1 -norm minimization with the fast intersection of confidence intervals rule.
Ivan Volaric
Victor Sucic
Published in:
Signal Image Video Process. (2019)
Keyphrases
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norm minimization
confidence intervals
sparse representation
sparse coding
stopping rules
convex optimization
signal processing
sample size
markov chain
image classification
natural images
test set
interior point methods
face recognition
matrix completion
unsupervised feature selection
linear combination
image representation
high dimensional
dimensionality reduction
roc curve
high dimensional data
unsupervised learning
generative model
conditional probabilities
linear programming
low rank
denoising
text classification
semi supervised
feature selection