Keyphrases
- mpeg video
- inter frame
- compressed domain
- motion estimation
- video sequences
- intra frame
- bit rate
- video frames
- video objects
- macroblock
- quadtree
- bitstream
- reference frame
- video codec
- encryption algorithm
- feature space
- encryption scheme
- lossless compression
- video analysis
- motion compensation
- motion vectors
- video data
- image representation