Segmentation Based Video Steganalysis to Detect Motion Vector Modification.
Peipei WangYun CaoXianfeng ZhaoPublished in: Secur. Commun. Networks (2017)
Keyphrases
- motion vectors
- video sequences
- video data
- motion compensation
- motion estimation
- video coding
- motion estimation algorithm
- frame interpolation
- macroblock
- block matching
- video objects
- video frames
- video content
- compressed domain
- video streams
- bit rate
- motion field
- video analysis
- error concealment
- reference frame
- image segmentation
- video coding standard
- digital video
- computational complexity
- pixel domain
- prediction error
- jpeg images
- spatial domain
- rate distortion
- high definition
- coding efficiency
- block size
- level set
- multimedia
- frame rate
- real time
- moving objects
- video surveillance
- key frames
- video compression
- video signals
- camera motion
- image sequences
- computer vision