Maximum Likelihood Estimation of JPEG Quantization Table in the Identification of Bitmap Compression History.
Zhigang FanRicardo L. de QueirozPublished in: ICIP (2000)
Keyphrases
- maximum likelihood estimation
- quantization table
- jpeg images
- step size
- image quality
- discrete cosine transformation
- compression algorithm
- maximum likelihood
- jpeg compression
- image compression
- em algorithm
- compression ratio
- parameter estimation
- spatial domain
- expectation maximization
- dct coefficients
- lossy compression
- discrete cosine transform
- convergence speed
- probability distribution
- data compression
- frequency domain
- convergence rate
- compressed images
- density function
- digital watermark
- image data
- image authentication
- wireless channels
- compressed domain
- lossless compression
- data hiding
- transform domain
- feature vectors
- subband
- human visual system