Motion vector-based video steganography with preserved local optimality.
Hong ZhangYun CaoXianfeng ZhaoPublished in: Multim. Tools Appl. (2016)
Keyphrases
- motion vectors
- video sequences
- video data
- motion estimation
- motion compensation
- video coding
- macroblock
- video content
- video streams
- frame interpolation
- reference frame
- multimedia
- compressed domain
- motion field
- motion compensated frame interpolation
- block matching
- bit rate
- coding efficiency
- motion estimation algorithm
- video frames
- error concealment
- compressed video
- jpeg images
- inter frame
- pixel domain
- video analysis
- digital video
- prediction error
- computational complexity
- motion compensated
- rate distortion
- e learning
- image sequences
- search range
- video coding standard
- block size
- visual quality
- video compression
- moving objects
- key frames
- data hiding
- real time
- video quality
- overlapped block motion compensation
- temporal error concealment
- computer vision