Manifold Graph Signal Restoration Using Gradient Graph Laplacian Regularizer.
Fei ChenGene CheungXue ZhangPublished in: IEEE Trans. Signal Process. (2024)
Keyphrases
- feature selection
- graph laplacian
- random walk
- spectral analysis
- spectral clustering
- weighted graph
- manifold structure
- euclidean space
- heat kernel
- geometrical structure
- kernel machines
- semi supervised learning
- basis functions
- image restoration
- pointwise
- neighborhood graph
- laplace beltrami
- underlying manifold
- wiener filter
- semi supervised
- signal processing
- labeled and unlabeled data
- total variation
- manifold learning
- non stationary
- unlabeled data
- sparse coding
- image denoising
- clustering method
- labeled data
- low dimensional
- data points
- face recognition
- image processing