Improve maximum likelihood estimation for subband GGD parameters.
Ming Hong PiPublished in: Pattern Recognit. Lett. (2006)
Keyphrases
- maximum likelihood estimation
- subband
- maximum likelihood
- generalized gaussian density
- filter bank
- wavelet transform
- multiresolution
- parameter estimation
- image compression
- generalized gaussian distribution
- em algorithm
- bit rate
- high frequency
- wavelet coefficients
- feature vectors
- expectation maximization
- frequency domain
- wavelet decomposition
- wavelet domain
- probability distribution
- kullback leibler distance
- discrete wavelet transform
- wavelet subbands
- low pass
- low frequency
- feature extraction
- wavelet packet
- image coding
- density function
- dct coefficients
- closed form
- bit plane
- probabilistic model
- high quality
- face recognition