Comparison of generalized Gaussian and Laplacian modeling in DCT image coding.
Rajan L. JoshiThomas R. FischerPublished in: IEEE Signal Process. Lett. (1995)
Keyphrases
- image coding
- generalized gaussian
- vector quantizer
- lapped transforms
- filter bank
- wavelet transform
- wavelet coefficients
- vector quantization
- image coder
- wavelet domain
- subband
- kullback leibler divergence
- image compression
- probability density function
- transform coefficients
- maximum a posteriori
- discrete cosine transform
- multiresolution
- prior model
- markov random field
- transform domain
- multiscale
- wavelet packet
- bit plane
- face recognition
- image reconstruction
- gaussian model
- image data
- pairwise
- feature selection
- machine learning