Group Sparsity Mixture Model and Its Application on Image Denoising.
Haosen LiuLaquan LiJiangbo LuShan TanPublished in: IEEE Trans. Image Process. (2022)
Keyphrases
- mixture model
- image denoising
- structured sparsity
- natural images
- denoising
- noisy images
- sparse coding
- probabilistic model
- generative model
- total variation
- em algorithm
- gaussian mixture model
- image processing
- partial differential equations
- model selection
- maximum likelihood
- dictionary learning
- language model
- unsupervised learning
- expectation maximization
- wavelet coefficients
- image patches
- low rank
- higher order
- input image
- object recognition