Motion based object tracking in MPEG-2 stream for perceptual region discriminating rate transcoding.
Javed I. KhanZhong GuoWansik OhPublished in: ACM Multimedia (2001)
Keyphrases
- object tracking
- video objects
- image sequences
- video sequences
- compressed video
- motion detection
- moving objects
- robust tracking
- motion estimation
- particle filter
- space time
- tracked objects
- motion model
- camera motion
- compressed domain
- human motion
- video surveillance
- kalman filter
- appearance model
- mean shift
- motion segmentation
- moving camera
- visual tracking
- computer vision
- video streams
- tracking framework
- particle filtering
- global motion
- multi camera
- optical flow
- video frames
- appearance modeling
- object motion
- data association
- motion vectors
- video data
- key frames
- video content
- dynamic scenes
- multiple cameras
- bitstream
- video quality
- tracking objects
- foreground objects
- robust object tracking
- partial occlusion
- human visual system
- background subtraction
- machine learning
- object appearance
- feature extraction
- feature selection
- three dimensional
- face recognition
- high dimensional
- sparse representation
- input image