A Dynamically Adjusted Subspace Gradient Method and Its Application in Image Restoration.
Jun HuoYuping WuGuoen XiaShengwei YaoPublished in: Symmetry (2021)
Keyphrases
- image restoration
- gradient method
- convergence rate
- edge preserving
- total variation
- negative matrix factorization
- step size
- markov random field
- super resolution
- image processing
- regularization parameter
- optimization methods
- principal component analysis
- high dimensional
- restoration algorithm
- iterative image restoration
- image deblurring
- degraded images
- modified hopfield neural network
- high dimensional data
- feature space
- regularization method
- feature extraction
- low dimensional
- dimensionality reduction
- higher order
- multiresolution
- objective function
- blind image restoration
- image segmentation