Abnormal Behavior Recognition Based on Trajectory Feature and Regional Optical Flow.
A-Lin HouJun-Liang GuoChong-Jin WangLiang WuFei LiPublished in: ICIG (2013)
Keyphrases
- optical flow
- abnormal behavior
- recognition rate
- object recognition
- recognition accuracy
- activity recognition
- motion features
- image sequences
- pattern recognition
- feature extraction
- motion estimation
- high risk
- optical flow estimation
- action recognition
- camera motion
- recognition process
- motion segmentation
- feature set
- motion model
- motion field
- information systems
- anomaly detection
- image registration
- preprocessing stage
- moving objects
- dense optical flow