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A Novel Feature Enhancement Method Based on Improved Constraint Model of Online Dictionary Learning.
Huaqing Wang
Pengxin Wang
Liuyang Song
Bangyue Ren
Lingli Cui
Published in:
IEEE Access (2019)
Keyphrases
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probabilistic model
prior knowledge
similarity measure
pattern recognition
input data
pairwise
dictionary learning
image retrieval
feature vectors
dimensionality reduction
em algorithm
unsupervised learning
low resolution