A novel technique for misalignment parameter estimation in double compressed JPEG images.
Nandita DalmiaManish OkadePublished in: VCIP (2016)
Keyphrases
- parameter estimation
- jpeg images
- file size
- compressed domain
- maximum likelihood
- model selection
- dct coefficients
- compression algorithm
- compressed images
- markov random field
- parameter estimation algorithm
- least squares
- em algorithm
- discrete cosine transform
- spatial domain
- dct domain
- data hiding
- expectation maximization
- motion vectors
- jpeg compression
- bitstream
- wireless channels
- video analysis
- lossy compression
- computer vision
- pairwise