Abnormal detection in crowded scenes via kernel based direct density ratio estimation.
Yie-Tarng ChenWen-Hsien FangChih-Yuan LeeKai-Wen ChengPublished in: ChinaSIP (2015)
Keyphrases
- crowded scenes
- density ratio estimation
- outlier detection
- human detection
- behavior analysis
- least squares
- spatial and temporal
- space time
- pedestrian detection
- covariate shift
- anomaly detection
- object tracking
- detection algorithm
- density estimation
- object detection
- motion patterns
- likelihood ratio test
- independent component analysis
- detection method
- model selection
- support vector
- cluttered background
- pairwise
- feature space
- spatio temporal
- image sequences
- detection rate
- state space
- action recognition
- computer vision
- human body
- particle filter
- support vector machine