Optical Flow and Prediction Residual Based Hybrid Forensic System for Inter-Frame Tampering Detection.
Raahat Devender SinghNaveen AggarwalPublished in: J. Circuits Syst. Comput. (2017)
Keyphrases
- inter frame
- optical flow
- motion estimation
- tampering detection
- prediction error
- inter layer
- video sequences
- image sequences
- bit rate
- motion field
- video frames
- motion vectors
- authentication scheme
- coding efficiency
- reference frame
- video coding
- macroblock
- rate distortion
- forgery detection
- motion compensated
- intra frame
- video codec
- computer vision
- moving objects
- digital images
- quadtree
- information hiding
- motion compensation
- three dimensional
- video compression
- image quality
- tree structure