Abnormal Event Detection and Localization by Using Sparse Coding and Reconstruction.
Jing XueYao LuHaohao JiangPublished in: PCM (2) (2016)
Keyphrases
- sparse coding
- abnormal event detection
- reconstruction error
- single image super resolution
- abnormal events
- dictionary learning
- sparse representation
- natural images
- image classification
- linear combination
- discriminative power
- generative model
- unsupervised learning
- daily life
- image representation
- sparsity constraints
- compressive sensing
- high resolution
- visual words
- sparse codes
- object category recognition
- image patches
- high dimensional
- low resolution
- image reconstruction
- feature space
- object recognition
- bag of words
- pattern recognition
- co occurrence
- training set
- pairwise
- mr images
- machine learning
- dimensionality reduction