Consistent Sparse Representation for Abnormal Event Detection.

Zhong Zhang Shuang Liu Zhiwei Zhang

Published in: IEICE Trans. Inf. Syst. (2015)

Keyphrases

sparse representation
abnormal event detection
abnormal events
dictionary learning
sparse coding
image classification
image patches
compressive sensing

test images
reconstruction error
compressed sensing
face recognition
piecewise smooth
negative matrix factorization
image representation
random projections

signal processing
dimensionality reduction
joint optimization
neural network
high dimensional data
regularized least squares
sparse coefficients
sparse reconstruction

daily life
pattern recognition
sparse approximations
computer vision
sparse learning
sparsity constraints
feature extraction
small number