Optical Flow-Based Weighted Magnitude and Direction Histograms for the Detection of Abnormal Visual Events Using Combined Classifier.
Gajendra SinghRajiv KapoorArun KhoslaPublished in: Int. J. Cogn. Informatics Nat. Intell. (2021)
Keyphrases
- optical flow
- event detection
- anomaly detection
- binocular disparity
- abnormal events
- optical flow estimation
- thermal images
- false alarms
- detection algorithm
- detection method
- automatic detection
- abnormal behavior
- soccer video
- visual analysis
- motion model
- visual features
- motion field
- visual information
- false positives
- optical flow computation
- visual motion
- object detection
- motion estimation
- dense optical flow
- image sequences
- high level
- detection rate
- human detection
- abnormal patterns