Keyphrases
- motion detection
- optical flow
- principal component analysis
- video surveillance
- image sequences
- surveillance system
- flow field
- static camera
- moving camera
- motion estimation
- background subtraction
- video sequences
- moving objects
- computer vision
- apparent motion
- optical flow estimation
- detection algorithm
- object tracking
- traffic monitoring
- video frames
- motion segmentation
- motion model
- dimensionality reduction
- motion field
- low dimensional
- motion analysis
- dynamic scenes
- face recognition
- event detection
- motion parameters
- camera motion
- video database
- vector field
- thresholding method
- feature extraction
- image processing
- optic flow
- background model
- foreground objects
- human activities
- high dimensional
- image classification
- video data