Abnormal crowd motion detection using double sparse representation.
Peng LiuYe TaoWei ZhaoXianglong TangPublished in: Neurocomputing (2017)
Keyphrases
- motion detection
- sparse representation
- object tracking
- dictionary learning
- sparse coding
- detection algorithm
- video surveillance
- image sequences
- background subtraction
- image classification
- face recognition
- compressive sensing
- image patches
- joint optimization
- signal processing
- surveillance system
- motion estimation
- image representation
- high dimensional data
- dimensionality reduction
- flow field
- appearance model
- pairwise
- piecewise smooth
- data sets
- higher order
- multi class
- image processing
- feature selection
- computer vision