Histograms of Optical Flow Orientation for Visual Abnormal Events Detection.
Tian WangHichem SnoussiPublished in: AVSS (2012)
Keyphrases
- abnormal events
- optical flow
- abnormal behavior
- abnormal event detection
- binocular disparity
- orientation estimation
- detection method
- visual features
- image sequences
- object detection
- orientation histogram
- detection rate
- visual information
- detection algorithm
- thermal images
- dense optical flow
- false positives
- optical flow estimation
- visual analysis
- primary visual cortex
- motion estimation
- position and orientation
- intensity variations
- human vision
- least squares
- flow field
- motion field
- vector field
- d scene
- anomaly detection
- statistical analysis