Abnormal Activity Detection Using Spatio-Temporal Feature and Laplacian Sparse Representation.

Yu Zhao Yu Qiao Jie Yang Nikola K. Kasabov

Published in: ICONIP (4) (2015)

Keyphrases

sparse representation
sparse coding
spatio temporal
dictionary learning
signal processing
face recognition
image classification

compressed sensing
compressive sensing
joint optimization
random projections
regularized least squares
natural images

image patches
image representation
dimensionality reduction
sparse coefficients
image sequences
test images

high dimensional data
object detection
image features
data sets
linear combination
generative model