SAR speckle reduction using Laplace mixture model and spatial mutual information in the directionlet domain.
Yixiang LuQingwei GaoDong SunYi XiaDexiang ZhangPublished in: Neurocomputing (2016)
Keyphrases
- mixture model
- mutual information
- speckle reduction
- em algorithm
- gaussian mixture model
- generative model
- probabilistic model
- speckle noise
- ultrasound images
- density estimation
- maximum likelihood
- expectation maximization
- model selection
- sar images
- image registration
- parameter estimation
- probability density function
- unsupervised learning
- language model
- similarity measure
- synthetic aperture radar
- denoising
- natural images