Local abnormal behavior detection based on optical flow and spatio-temporal gradient.
Songhao ZhuJuanjuan HuZhe ShiPublished in: Multim. Tools Appl. (2016)
Keyphrases
- abnormal behavior
- spatio temporal
- optical flow
- image sequences
- moving objects
- high risk
- image derivatives
- structure tensor
- false positives
- spatial and temporal
- image gradient
- binocular disparity
- data mining
- detection rate
- edge detection
- object detection
- optical flow estimation
- human actions
- feature tracking
- image analysis
- computer vision