Ultrasound image restoration based on a learned dictionary and a higher-order MRF.
Jian LuHanmei YangLixin ShenYuru ZouPublished in: Comput. Math. Appl. (2019)
Keyphrases
- image restoration
- markov random field
- higher order
- mrf model
- total variation
- edge preserving
- high order
- graph cuts
- belief propagation
- natural images
- energy function
- conditional random fields
- low level vision
- pairwise
- random fields
- maximum a posteriori
- sparse representation
- potential functions
- sparse coding
- linear combination
- blurred images
- iterative image restoration
- image segmentation
- image deblurring
- image patches
- prior model
- image denoising
- modified hopfield neural network
- map estimation
- degraded images
- image processing