Unsupervised Abnormal Crowd Activity Detection Using Semiparametric Scan Statistic.
Yang HuYangmuzi ZhangLarry S. DavisPublished in: CVPR Workshops (2013)
Keyphrases
- activity detection
- semi parametric
- scan statistic
- event detection
- space time
- density estimation
- unsupervised learning
- least squares
- statistical inference
- sequence matching
- supervised learning
- regression model
- constrained optimization
- linear model
- parametric models
- disease outbreaks
- model selection
- machine learning
- regression problems
- knowledge discovery
- spatio temporal
- data structure