Spatio-temporal feature using optical flow based distribution for violence detection.
Amira Ben MabroukEzzeddine ZagroubaPublished in: Pattern Recognit. Lett. (2017)
Keyphrases
- spatio temporal
- optical flow
- image sequences
- moving objects
- false alarms
- binocular disparity
- detection algorithm
- automatic detection
- object detection
- motion field
- flow field
- spatial and temporal
- neural network
- detection method
- detection accuracy
- motion features
- optical flow estimation
- optical flow computation
- false positives
- human actions
- detection rate
- probability distribution
- feature vectors
- space time
- image features
- spatio temporal data
- video sequences
- image derivatives
- three dimensional