Exposing video inter-frame forgery based on velocity field consistency.
Yuxing WuXinghao JiangTanfeng SunWan WangPublished in: ICASSP (2014)
Keyphrases
- inter frame
- velocity field
- video frames
- video sequences
- intra frame
- motion estimation
- image sequences
- motion jpeg
- video data
- vector field
- optical flow
- motion field
- flow field
- video content
- video streams
- bit rate
- compressed domain
- motion vectors
- compressed video
- temporal redundancy
- multimedia
- key frames
- macroblock
- digital video
- moving objects
- computer vision
- coding scheme
- multiresolution
- quadtree
- rate control
- image representation