Efficient Approximation and Denoising of Graph Signals Using the Multiscale Basis Dictionaries.
Jeff IrionNaoki SaitoPublished in: IEEE Trans. Signal Inf. Process. over Networks (2017)
Keyphrases
- multiscale
- denoising
- image processing
- graph structure
- wavelet domain
- image denoising
- scale space
- natural images
- computer vision
- signal processing
- approximation algorithms
- image segmentation
- directed acyclic graph
- translation invariant
- image representation
- sparse representation
- graph theory
- graph model
- efficient computation
- denoising algorithm
- soft threshold