Covert Communication by Compressed Videos Exploiting the Uncertainty of Motion Estimation.
Yun CaoHong ZhangXianfeng ZhaoHaibo YuPublished in: IEEE Commun. Lett. (2015)
Keyphrases
- motion estimation
- video sequences
- motion vectors
- video coding
- image sequences
- optical flow
- rate distortion
- inter frame
- video frames
- motion model
- motion compensated
- motion compensation
- compressed domain
- information flow
- block matching
- communication systems
- video compression
- video analysis
- moving camera
- video content
- information sharing
- spatio temporal
- reference frame
- communication channels
- key players
- cardiac motion estimation
- video clips
- uncertain data
- motion segmentation
- motion field
- communication networks
- video data
- computational complexity