Detecting abnormal crowd behaviors based on the div-curl characteristics of flow fields.
Xiao-Han ChenJian-Huang LaiPublished in: Pattern Recognit. (2019)
Keyphrases
- flow field
- vector field
- optic flow
- optical flow
- optical flow fields
- image motion
- image sequences
- motion analysis
- velocity field
- optical flow estimation
- optical flow computation
- motion segmentation
- computer vision
- motion parameters
- computation of optical flow
- crowd behavior
- parametric models
- motion field
- motion discontinuities
- ego motion
- scale space
- image registration
- image processing