Video activity detection using compressed domain motion trajectories for H.264 videos.
Haowei LiuMing-Ting SunRuei-Cheng WuShiaw-Shian YuPublished in: ISCAS (2010)
Keyphrases
- motion trajectories
- compressed domain
- activity detection
- video data
- video analysis
- video sequences
- motion vectors
- video objects
- inter frame
- video database
- video content
- video frames
- temporal segmentation
- sequence matching
- image sequences
- video streams
- video indexing
- shot boundary detection
- motion estimation
- video clips
- spatio temporal
- surveillance videos
- motion patterns
- multimedia
- video coding
- macroblock
- video retrieval
- key frames
- raw data
- reference frame
- human motion
- video shots
- event detection
- dynamic scenes
- appearance model
- bit rate
- video summarization
- bitstream
- moving objects