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Unsupervised Behavior-Specific Dictionary Learning for Abnormal Event Detection.
Huamin Ren
Weifeng Liu
Søren Ingvor Olsen
Sergio Escalera
Thomas B. Moeslund
Published in:
BMVC (2015)
Keyphrases
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dictionary learning
sparse coding
sparse representation
abnormal event detection
image super resolution
unsupervised learning
group sparsity
neural network
image classification
natural images
pattern recognition
small number
abnormal events