Image compression based on Gaussian mixture model constrained using Markov random field.
Jianjun SunYan ZhaoShigang WangJian WeiPublished in: Signal Process. (2021)
Keyphrases
- gaussian mixture model
- markov random field
- image compression
- mrf model
- mixture model
- vector quantization
- graph cuts
- belief propagation
- higher order
- random fields
- image segmentation
- energy function
- em algorithm
- maximum a posteriori
- maximum likelihood
- pairwise
- expectation maximization
- parameter estimation
- wavelet transform
- feature vectors
- subband
- potential functions
- probability density function
- gaussian distribution
- feature space
- background subtraction
- conditional random fields
- prior model
- generalized gaussian
- bayesian networks
- image processing
- gaussian model
- mrf models
- mrf optimization
- multiresolution