Optical flow approximation based motion object extraction for MPEG-2 video stream.
Gaobo YangWeiwei ChenQiya ZhouZhaoyang ZhangPublished in: J. Real Time Image Process. (2009)
Keyphrases
- video streams
- object extraction
- optical flow
- compressed video
- video objects
- motion model
- video data
- motion field
- image sequences
- camera motion
- video sequences
- motion estimation
- optical flow estimation
- motion parameters
- detecting moving objects
- motion segmentation
- video content
- object segmentation
- video representation
- moving objects
- video frames
- video streaming
- multimedia
- digital video
- space time
- flow field
- consecutive frames
- computer vision
- image segmentation
- motion patterns
- video analysis
- image processing
- three dimensional
- moving camera
- markov random field
- text classification
- motion compensation
- segmentation method